Order of Operations

Problem 1

Calculate $8 \div 2(2+2)$ .

See Solution

Problem 2

What is the result of $9-3 \div \frac{1}{3}+1$ ?

See Solution

Problem 3

Calculate the value of $(1^{4} \times 2^{2}+3^{3})-2^{5} \div 4$ and $6 \div 2(1+2)$ .

See Solution

Problem 4

Calculate $\frac{6}{2}(1+2)$ .

See Solution

Problem 5

What is the value of $6 \div 2(1+2)$ ?

See Solution

Problem 6

Solve $60 \div 2(3+7)$ .

See Solution

Problem 7

Calculate $(4+27)-32 \div 4$ .

See Solution

Problem 8

Calculate $\frac{\left(5\left(\frac{1}{2}\right)^{2}+\frac{9 \frac{3}{4}}{3}-8\left(\frac{1}{4}\right)^{2}\right)^{2}}{3^{-1}}$ .

See Solution

Problem 9

Calculate the expression: $-3 \cdot[8+4 \cdot(-2-5)]$

See Solution

Problem 10

Calculate $(3 \times 10^{199}) + (2 \times 10^{201})$ and express the result in standard form.

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Problem 11

Calculate: $64 \div(15-5+12 \div 2)+9 \times 2-1$ . What is the result?

See Solution

Problem 12

Calculate the expression $8 \cdot 3^{6} \cdot 135^{-1}$ and simplify $2 \sqrt{50}$ .

See Solution

Problem 13

Calculate: $225^{\frac{1}{2}} - \left(-216^{\frac{2}{3}}\right)$

See Solution

Problem 14

Calculate: 1.1.1 $160 + 33 \times 5$ 1.1.2 $0.5(5.8 - 1.7) - 1.3$ 1.2 Decrease R5000 by $2\%$ . 1.3 Order these numbers: $0.6, -7, 5, -1$ . 1.4 If Khanyisa (4) gets 6 sweets, how many does Millicent (6) get?

See Solution

Problem 15

Calculate $360 \div (15 + ((27 - 32) \times (-9 + 16)))$ .

See Solution

Problem 16

What is the result of $9 - 3 \div \frac{1}{3} + 1$ ?

See Solution

Problem 17

Calculate the expression: $4 - 8 \div 2 + 3$ .

See Solution

Problem 18

Calculate the expression: $4 - 16 \div 4 + 4^{2}$ .

See Solution

Problem 19

Calculate: $9 - 3 \div \frac{1}{3} + 1$

See Solution

Problem 20

What are the results of the following calculations?
1) $5 - 5 \times 1 = 0$ 2) $1 + 4 \div 2 = 3$ 3) $5 + (7 \times 3 - 2) = 24$ 4) $\frac{10 - 8}{5 + 3 - 7} = 2$ 5) $\left(25 - \frac{16}{17}\right)^{8} - (12 - 3 \times 2) = 3$ 6) $(2 - 2) \times (2 - 3 \times 2) = 0$ 7) $4 - 9 \times 2 \times 2 = -32$

See Solution

Problem 21

Calculate the expression: $-30 \div 5(3) + 16$ .

See Solution

Problem 22

Calculate the following expressions: (a) $24 \times(-2) \times 5 \div(-6)$ (b) $4 \times 10-13 \times(-5)$ (c) $(16-24)-(57-77) \div(-2)$ (d) $160 \div(-40)-20 \div(-5)$ (e) $[(12-18) \div 3-5] \times(-4)$ (f) $\{[(-15+5) \times 2+8]-32 \div 8\}-(-7)$ (g) $(5-2)^{3} \times 2+[-4+(-7)] \div(-2+4)^{2}$ (h) $\left\{-10-\left[12+(-3)^{2}\right]+3^{3}\right\} \div(-3)$ Check your answer for (f) with a calculator. For advanced level: Find the value of $\sqrt[3]{-2 \times(-6.5)-[-2 \times(-3)+8 \times(-2)-8 \times 2]+5^{2}}$

See Solution

Problem 23

Calculate: $9 - (-3) \div (-3) + (-1) = ?$

See Solution

Problem 24

Calculate $(-10 + 90) \div (9 - 17)$ .

See Solution

Problem 25

Calculate: $(-6) - 3 + 25 \div (-5)$ . What is the result?

See Solution

Problem 26

Calculate the expression: $-6 \div -1 \div (9 + -7)$ .

See Solution

Problem 27

Evaluate: $(5+3) \times(4 \div 2) \div(5-7)$ without a calculator.

See Solution

Problem 28

Calculate $8 \div 2(2+2)$ .

See Solution

Problem 29

Calculate the expression using the order of operations: $6 \div 2(1+2)$ .

See Solution

Problem 30

Your friend multiplied $20$ and $15$ first in $20 \times(15 \times 14)$ . What property is this and why?

See Solution

Problem 31

Your friend multiplied $20$ and $15$ before multiplying by $14$ . Which property is this and why?

See Solution

Problem 32

Evaluate $9 \times(40+5)$ in two different methods.

See Solution

Problem 33

Estimate the difference between 3,969 km and 2,811 km after rounding to the nearest hundred. Options: 1,300, 1,100, 1,200, 1,158.

See Solution

Problem 34

Evaluate: $38 - (7 + 2 \times 4) + \frac{18}{2}$

See Solution

Problem 35

Identify Shelly's mistake in the order of operations for $2^{2}(3-8) \div 5-1$ . Where did she go wrong?

See Solution

Problem 36

Calculate $3 \cdot 3^{2}+8 \div 2-(4+3)$ . What is the result? A. 24 B. 23 C. 32 D. 30

See Solution

Problem 37

Simplify the expression using order of operations: $-3 - [1 + (-8 \cdot 2 - 6)] \div 1$

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Problem 38

Calculate the result of the expression: $\frac{1}{8}+\frac{1}{18} \div \frac{1}{6}$ .

See Solution

Problem 39

Calculate the value of $3+[8 \div(3-(1 \cdot 1))]$ .

See Solution

Problem 40

Calculate the value of the expression: $\left(-\frac{7}{10}\right)+\frac{3}{4} \cdot \frac{2}{3} \div \frac{6}{10}+\frac{3}{4}$ .

See Solution

Problem 41

Calculate the expression: $20 - [24 \div (1 + (1 \cdot 2))]$ .

See Solution

Problem 42

Calculate: $-6+[-8-(-2 \cdot 5+(-2))] \div 2$

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Problem 43

Simplify the expression using order of operations: $-5-[3-(-7 \cdot(-2)-15)] \div 1$ .

See Solution

Problem 44

Calculate the value of $3 - [3 + (3 \cdot 2 + 6)] \div 3$ .

See Solution

Problem 45

Evaluate the expression using the order of operations: $\left(-\frac{6}{16}\right)+\frac{3}{6} \cdot \frac{2}{3} \div \frac{6}{16}+\frac{3}{4}$ .

See Solution

Problem 46

Simplify the expression using the order of operations: $\frac{1}{4}+\frac{10}{15} \div \frac{10}{5}$ .

See Solution

Problem 47

Calculate: $3 \times 20 + [45 - (3 + 2)]$

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Problem 48

Judy attended two 45-min and four 30-min sessions but left early. How many total minutes did she work out?

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Problem 49

Ricardo rented a jet ski for \$30 plus \$18.25/hour. After 3 hours, how much money does he have left from \$164.18?

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Problem 50

Calculate the value of $(1^{4} \times 2^{2} + 3^{3}) - 2^{5} \div 4$ .

See Solution

Problem 51

Simplify: $2 - 4 \div 2 + 2^3$

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Problem 52

Evaluate the expression: $-3 - -8 \div -1 \times 5$

See Solution

Problem 53

Evaluate the expression: $-10 - -3 \div (-10 + 7)$ .

See Solution

Problem 54

Evaluate the expression: $10 + (2 - 8) \div 6$ .

See Solution

Problem 55

Evaluate the expression: $1 - 1 \times 4$

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Problem 56

Evaluate the expression: $7 + 9 \div (8 + 1)$ .

See Solution

Problem 57

Evaluate the expression: $(10 \div 2)^{2} \times 2$

See Solution

Problem 58

Evaluate: $-2 + -1 \div (-10 - -9)$

See Solution

Problem 59

Evaluate the expression: $-8 - (8 \div -4)^{3}$ .

See Solution

Problem 60

Evaluate: $-6 \div (-10 - -9)^{3} \times 2$

See Solution

Problem 61

Evaluate: $-1 \times(16 \div-1--7 \times-19)$

See Solution

Problem 62

Evaluate: $\left((-14)^{2} \div -14 + 16\right)^{3}$

See Solution

Problem 63

Evaluate the expression: $(18 - -11 \times -1)^{2}$ .

See Solution

Problem 64

Evaluate: $-8+(3+-10) \div-7$

See Solution

Problem 65

Calculate $48 \div(4+4)$ .

See Solution

Problem 66

Calculate the expression: $3+(15-3) \div(2+4-4)$ .

See Solution

Problem 67

Calculate the value of $3 \times(12-(11-5)) \div(1+5) \times 2$ .

See Solution

Problem 68

Evaluate the expression $(4 \div 4 + 2)(5 - 1 - (2 + 1))$ .

See Solution

Problem 69

Calculate $3 \cdot \frac{10}{2+8} \cdot 9$ .

See Solution

Problem 70

Find the value of the expression $5 \times(12-6) \div 2$ . Options: a) 15 b) 27 c) 45 d) 57

See Solution

Problem 71

Simplify the expression using order of operations: $2[5+4(7 \cdot 4-24)]=$

See Solution

Problem 72

Calculate the expression: $6^{2} - 5 \times 2 + 2(9 - 7)$ . What is the result?

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Problem 73

Jane dives down 5 feet then 3 feet. Sarah dives down 3 feet then 5 feet. Model $-5+(-3)=-3+(-5)$ on a number line.

See Solution

Problem 74

Calculate $7 - |3 \times 1.2 + 10|$ .

See Solution

Problem 75

Ricardo rents a jet ski for \$30 plus \$18.25/hour. With \$164.18, how much is left after 3 hours?

See Solution

Problem 76

Jalissa's mom bought coffee for \$3.95, 2 refills at \$1.25 each, a bagel for \$2.50, and a \$0.50 discount. Total cost?

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Problem 77

Judy attended three 45-minute and two 30-minute sessions but left early. How many minutes did she work out total?

See Solution

Problem 78

Explain the missing expressions for Step 2 and Step 6 in solving $\left(\frac{6^{2}+2}{|-0.5|}\right)-14.8 \div 8$ .

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Problem 79

Solve $-\frac{1}{6}\left[3-15\left(\frac{1}{3}\right)^{2}\right]$ and choose the correct answer.

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Problem 80

Calculate $6^{2} \div 2(3)+4$ .

See Solution

Problem 81

Calculate $\frac{3}{2}\left[\left(58-10^{2}\right) \div(\sqrt{16}+3)\right]$ .

See Solution

Problem 82

Calculate $\frac{(\sqrt{225}-11) \cdot 12}{-12-(8-6^{2})}-|-3|$ .

See Solution

Problem 83

Calculate the expression: $12 \times(3+2)^{2} \div 2-10$ .

See Solution

Problem 84

Calculate $12 \times (3 + 2^{2}) \div 2 - 10$ .

See Solution

Problem 85

Calculate the value of $3 \cdot(5+1) \div 3^{2}$ .

See Solution

Problem 86

Calculate $5(2+4)+15 \div(9-6)$ .

See Solution

Problem 87

Simplify the expression: $80 \div 2^{3} \times 5$ . List the steps.

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Problem 88

Calculate the value of $\frac{10-6 \times 2+8}{(4-7)^{2}-3(4+8)}$ .

See Solution

Problem 89

774 divided by 24 equals what? Options: 750, 36 R 10, 32, 32 R 6.

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Problem 90

Evaluate the expression: $(9 \times 9) + 7 + 54 \div 9$ .

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Problem 91

Calculate the expression: $10(15 \div 5 + 6) + 9$ .

See Solution

Problem 92

Calculate $2 + 9 \times 2 \frac{3}{4}$ .

See Solution

Problem 93

Calculate $4+[2-(8+9)]$ using the order of operations. Choose A or B for your answer.

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Problem 94

Calculate $(3 \times 10^{5}) \times (2 \times 10^{2})$ and express the answer in the form $V \times 10^{n}$ .

See Solution

Problem 95

Calculate the expression: $[2 \times(3+5)+6] \times 4$ .

See Solution

Problem 96

9.002 - 3 = 1.001

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Problem 97

Evaluate the expression $6^{2}+10 \div(-5)(3)-5$ using order of operations. What to do first?

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Problem 98

Calculate the expression: $2^{5}(5-6)+9 \div 3$ .

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Problem 99

Calculate $6^{2}+3+5 \times 2$ and show the steps.

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Problem 100

Calculate the total cost to remodel an apartment: 3 cans of paint at \$13.22, 2 brushes at \$1222, and \$15 for help.

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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21

Order of Operations

Problem 1

Calculate 8÷2(2+2) 8 \div 2(2+2) 8÷2(2+2).

Problem 2

What is the result of 9−3÷13+1 9-3 \div \frac{1}{3}+1 9−3÷31​+1?

Problem 3

Calculate the value of (14×22+33)−25÷4(1^{4} \times 2^{2}+3^{3})-2^{5} \div 4(14×22+33)−25÷4 and 6÷2(1+2)6 \div 2(1+2)6÷2(1+2).

Problem 4

Calculate 62(1+2) \frac{6}{2}(1+2) 26​(1+2).

Problem 5

What is the value of 6÷2(1+2) 6 \div 2(1+2) 6÷2(1+2)?

Problem 6

Solve 60÷2(3+7) 60 \div 2(3+7) 60÷2(3+7).

Problem 7

Calculate (4+27)−32÷4 (4+27)-32 \div 4 (4+27)−32÷4.

Problem 8

Calculate (5(12)2+9343−8(14)2)23−1\frac{\left(5\left(\frac{1}{2}\right)^{2}+\frac{9 \frac{3}{4}}{3}-8\left(\frac{1}{4}\right)^{2}\right)^{2}}{3^{-1}}3−1(5(21​)2+3943​​−8(41​)2)2​.

Problem 9

Calculate the expression: −3⋅[8+4⋅(−2−5)]-3 \cdot[8+4 \cdot(-2-5)]−3⋅[8+4⋅(−2−5)]

Problem 10

Calculate (3×10199)+(2×10201)(3 \times 10^{199}) + (2 \times 10^{201})(3×10199)+(2×10201) and express the result in standard form.

Problem 11

Calculate: 64÷(15−5+12÷2)+9×2−164 \div(15-5+12 \div 2)+9 \times 2-164÷(15−5+12÷2)+9×2−1. What is the result?

Problem 12

Calculate the expression 8⋅36⋅135−18 \cdot 3^{6} \cdot 135^{-1}8⋅36⋅135−1 and simplify 2502 \sqrt{50}250​.

Problem 13

Calculate: 22512−(−21623)225^{\frac{1}{2}} - \left(-216^{\frac{2}{3}}\right)22521​−(−21632​)

Problem 14

Calculate: 1.1.1 160+33×5160 + 33 \times 5160+33×5 1.1.2 0.5(5.8−1.7)−1.30.5(5.8 - 1.7) - 1.30.5(5.8−1.7)−1.3 1.2 Decrease R5000 by 2%2\%2%. 1.3 Order these numbers: 0.6,−7,5,−10.6, -7, 5, -10.6,−7,5,−1. 1.4 If Khanyisa (4) gets 6 sweets, how many does Millicent (6) get?

Problem 15

Calculate 360÷(15+((27−32)×(−9+16)))360 \div (15 + ((27 - 32) \times (-9 + 16)))360÷(15+((27−32)×(−9+16))).

Problem 16

What is the result of 9−3÷13+19 - 3 \div \frac{1}{3} + 19−3÷31​+1?

Problem 17

Calculate the expression: 4−8÷2+34 - 8 \div 2 + 34−8÷2+3.

Problem 18

Calculate the expression: 4−16÷4+424 - 16 \div 4 + 4^{2}4−16÷4+42.

Problem 19

Calculate: 9−3÷13+19 - 3 \div \frac{1}{3} + 19−3÷31​+1

Problem 20

Problem 21

Calculate the expression: −30÷5(3)+16-30 \div 5(3) + 16−30÷5(3)+16.

Problem 22

Problem 23

Calculate: 9−(−3)÷(−3)+(−1)=?9 - (-3) \div (-3) + (-1) = ?9−(−3)÷(−3)+(−1)=?

Problem 24

Calculate (−10+90)÷(9−17)(-10 + 90) \div (9 - 17)(−10+90)÷(9−17).

Problem 25

Calculate: (−6)−3+25÷(−5)(-6) - 3 + 25 \div (-5)(−6)−3+25÷(−5). What is the result?

Problem 26

Calculate the expression: −6÷−1÷(9+−7)-6 \div -1 \div (9 + -7)−6÷−1÷(9+−7).

Problem 27

Evaluate: (5+3)×(4÷2)÷(5−7)(5+3) \times(4 \div 2) \div(5-7)(5+3)×(4÷2)÷(5−7) without a calculator.

Problem 28

Calculate 8÷2(2+2)8 \div 2(2+2)8÷2(2+2).

Problem 29

Calculate the expression using the order of operations: 6÷2(1+2)6 \div 2(1+2)6÷2(1+2).

Problem 30

Your friend multiplied 202020 and 151515 first in 20×(15×14)20 \times(15 \times 14)20×(15×14). What property is this and why?

Problem 31

Your friend multiplied 202020 and 151515 before multiplying by 141414. Which property is this and why?

Problem 32

Evaluate 9×(40+5)9 \times(40+5)9×(40+5) in two different methods.

Problem 33

Estimate the difference between 3,969 km and 2,811 km after rounding to the nearest hundred. Options: 1,300, 1,100, 1,200, 1,158.

Problem 34

Evaluate: 38−(7+2×4)+18238 - (7 + 2 \times 4) + \frac{18}{2}38−(7+2×4)+218​

Problem 35

Identify Shelly's mistake in the order of operations for 22(3−8)÷5−12^{2}(3-8) \div 5-122(3−8)÷5−1. Where did she go wrong?

Problem 36

Calculate 3⋅32+8÷2−(4+3)3 \cdot 3^{2}+8 \div 2-(4+3)3⋅32+8÷2−(4+3). What is the result? A. 24 B. 23 C. 32 D. 30

Problem 37

Simplify the expression using order of operations: −3−[1+(−8⋅2−6)]÷1 -3 - [1 + (-8 \cdot 2 - 6)] \div 1 −3−[1+(−8⋅2−6)]÷1

Problem 38

Calculate the result of the expression: 18+118÷16\frac{1}{8}+\frac{1}{18} \div \frac{1}{6}81​+181​÷61​.

Problem 39

Calculate the value of 3+[8÷(3−(1⋅1))]3+[8 \div(3-(1 \cdot 1))]3+[8÷(3−(1⋅1))].

Problem 40

Calculate the value of the expression: (−710)+34⋅23÷610+34 \left(-\frac{7}{10}\right)+\frac{3}{4} \cdot \frac{2}{3} \div \frac{6}{10}+\frac{3}{4} (−107​)+43​⋅32​÷106​+43​.

Problem 41

Calculate $8 \div 2(2+2)$ .

What is the result of $9-3 \div \frac{1}{3}+1$ ?

Calculate the value of $(1^{4} \times 2^{2}+3^{3})-2^{5} \div 4$ and $6 \div 2(1+2)$ .

Calculate $\frac{6}{2}(1+2)$ .

What is the value of $6 \div 2(1+2)$ ?

Solve $60 \div 2(3+7)$ .

Calculate $(4+27)-32 \div 4$ .

Calculate $\frac{\left(5\left(\frac{1}{2}\right)^{2}+\frac{9 \frac{3}{4}}{3}-8\left(\frac{1}{4}\right)^{2}\right)^{2}}{3^{-1}}$ .

Calculate the expression: $-3 \cdot[8+4 \cdot(-2-5)]$

Calculate $(3 \times 10^{199}) + (2 \times 10^{201})$ and express the result in standard form.

Calculate: $64 \div(15-5+12 \div 2)+9 \times 2-1$ . What is the result?

Calculate the expression $8 \cdot 3^{6} \cdot 135^{-1}$ and simplify $2 \sqrt{50}$ .

Calculate: $225^{\frac{1}{2}} - \left(-216^{\frac{2}{3}}\right)$

Calculate: 1.1.1 $160 + 33 \times 5$ 1.1.2 $0.5(5.8 - 1.7) - 1.3$ 1.2 Decrease R5000 by $2\%$ . 1.3 Order these numbers: $0.6, -7, 5, -1$ . 1.4 If Khanyisa (4) gets 6 sweets, how many does Millicent (6) get?

Calculate $360 \div (15 + ((27 - 32) \times (-9 + 16)))$ .

What is the result of $9 - 3 \div \frac{1}{3} + 1$ ?

Calculate the expression: $4 - 8 \div 2 + 3$ .

Calculate the expression: $4 - 16 \div 4 + 4^{2}$ .

Calculate: $9 - 3 \div \frac{1}{3} + 1$

Calculate the expression: $-30 \div 5(3) + 16$ .

Calculate: $9 - (-3) \div (-3) + (-1) = ?$

Calculate $(-10 + 90) \div (9 - 17)$ .

Calculate: $(-6) - 3 + 25 \div (-5)$ . What is the result?

Calculate the expression: $-6 \div -1 \div (9 + -7)$ .

Evaluate: $(5+3) \times(4 \div 2) \div(5-7)$ without a calculator.

Calculate $8 \div 2(2+2)$ .

Calculate the expression using the order of operations: $6 \div 2(1+2)$ .

Your friend multiplied $20$ and $15$ first in $20 \times(15 \times 14)$ . What property is this and why?

Your friend multiplied $20$ and $15$ before multiplying by $14$ . Which property is this and why?

Evaluate $9 \times(40+5)$ in two different methods.

Evaluate: $38 - (7 + 2 \times 4) + \frac{18}{2}$

Identify Shelly's mistake in the order of operations for $2^{2}(3-8) \div 5-1$ . Where did she go wrong?

Calculate $3 \cdot 3^{2}+8 \div 2-(4+3)$ . What is the result? A. 24 B. 23 C. 32 D. 30

Simplify the expression using order of operations: $-3 - [1 + (-8 \cdot 2 - 6)] \div 1$

Calculate the result of the expression: $\frac{1}{8}+\frac{1}{18} \div \frac{1}{6}$ .

Calculate the value of $3+[8 \div(3-(1 \cdot 1))]$ .

Calculate the value of the expression: $\left(-\frac{7}{10}\right)+\frac{3}{4} \cdot \frac{2}{3} \div \frac{6}{10}+\frac{3}{4}$ .

Calculate the expression: $20 - [24 \div (1 + (1 \cdot 2))]$ .

Calculate: $-6+[-8-(-2 \cdot 5+(-2))] \div 2$

Simplify the expression using order of operations: $-5-[3-(-7 \cdot(-2)-15)] \div 1$ .

Calculate the value of $3 - [3 + (3 \cdot 2 + 6)] \div 3$ .

Evaluate the expression using the order of operations: $\left(-\frac{6}{16}\right)+\frac{3}{6} \cdot \frac{2}{3} \div \frac{6}{16}+\frac{3}{4}$ .

Simplify the expression using the order of operations: $\frac{1}{4}+\frac{10}{15} \div \frac{10}{5}$ .

Calculate: $3 \times 20 + [45 - (3 + 2)]$

Calculate the value of $(1^{4} \times 2^{2} + 3^{3}) - 2^{5} \div 4$ .

Simplify: $2 - 4 \div 2 + 2^3$

Evaluate the expression: $-3 - -8 \div -1 \times 5$

Evaluate the expression: $-10 - -3 \div (-10 + 7)$ .

Evaluate the expression: $10 + (2 - 8) \div 6$ .

Evaluate the expression: $1 - 1 \times 4$

Evaluate the expression: $7 + 9 \div (8 + 1)$ .

Evaluate the expression: $(10 \div 2)^{2} \times 2$

Evaluate: $-2 + -1 \div (-10 - -9)$

Evaluate the expression: $-8 - (8 \div -4)^{3}$ .

Evaluate: $-6 \div (-10 - -9)^{3} \times 2$

Evaluate: $-1 \times(16 \div-1--7 \times-19)$

Evaluate: $\left((-14)^{2} \div -14 + 16\right)^{3}$

Evaluate the expression: $(18 - -11 \times -1)^{2}$ .

Evaluate: $-8+(3+-10) \div-7$

Calculate $48 \div(4+4)$ .

Calculate the expression: $3+(15-3) \div(2+4-4)$ .

Calculate the value of $3 \times(12-(11-5)) \div(1+5) \times 2$ .

Evaluate the expression $(4 \div 4 + 2)(5 - 1 - (2 + 1))$ .

Calculate $3 \cdot \frac{10}{2+8} \cdot 9$ .

Find the value of the expression $5 \times(12-6) \div 2$ . Options: a) 15 b) 27 c) 45 d) 57

Simplify the expression using order of operations: $2[5+4(7 \cdot 4-24)]=$

Calculate the expression: $6^{2} - 5 \times 2 + 2(9 - 7)$ . What is the result?

Jane dives down 5 feet then 3 feet. Sarah dives down 3 feet then 5 feet. Model $-5+(-3)=-3+(-5)$ on a number line.

Calculate $7 - |3 \times 1.2 + 10|$ .