6: HW - Order of Operations with Whole Numbers

What is the result of 5 + 3 * 2?

• 16

• 10

• 7

• 11

Answer explanation

The correct answer is 11 because the multiplication operation has higher precedence than addition, so 3 * 2 is evaluated first, resulting in 6. Then, 5 + 6 equals 11.

Tags

CCSS.7.NS.A.3

What is the value of 8 - 2 * 4?

• 10

• -24

• 6

• 0

Answer explanation

The correct answer is 0 because when multiplying 2 by 4, we get 8. Subtracting 8 from 8 gives us 0.

Tags

CCSS.7.NS.A.3

Simplify the expression: 6 + 2 * 3 - 4

• 12

• 8

• 16

• 10

Answer explanation

To simplify the expression 6 + 2 * 3 - 4, follow the order of operations. First, multiply 2 and 3 to get 6. Then, perform addition and subtraction from left to right. 6 + 6 equals 12, and 12 - 4 equals 8. Therefore, the correct answer is 8.

Tags

CCSS.5.OA.A.1

CCSS.5.OA.A.2

Evaluate: 9 - 3 * 2 + 4

• 2

• 7

• -1

• 15

Answer explanation

To evaluate the expression 9 - 3 * 2 + 4, follow the order of operations. First, multiply 3 and 2 to get 6. Then, subtract 6 from 9 to get 3. Finally, add 4 to 3 to get the final answer of 7. Therefore, the correct answer is 7.

Tags

CCSS.7.NS.A.3

What is the result of 12 / 3 + 2 * 4?

• 12

• 6

• 10

• 16

Answer explanation

The correct answer is 10. The expression follows the order of operations, so first we divide 12 by 3, which gives us 4. Then we multiply 2 by 4, which gives us 8. Finally, we add 4 and 8, resulting in 12. Therefore, the correct answer is 10.

Tags

CCSS.5.OA.A.1

CCSS.5.OA.A.2

Simplify the expression: 5 * (2 + 3)

• 10

• 30

• 25

• 15

Answer explanation

To simplify the expression 5 * (2 + 3), first perform the addition inside the parentheses, which gives 5 * 5. Multiplying 5 by 5 results in 25. Therefore, the correct answer is 25.

Tags

CCSS.5.OA.A.1

CCSS.5.OA.A.2

Evaluate: 4 + 3 * (8 - 2)

• 22

• 30

• 14

• 42

Answer explanation

To evaluate the expression, follow the order of operations. First, subtract 2 from 8, which equals 6. Then, multiply 3 by 6, resulting in 18. Finally, add 4 to 18, giving us 22. Therefore, the correct answer is 22.

Tags

CCSS.7.NS.A.3

What is the value of 7 - (3 * 2 + 4)

• -3

• 5

• 10

• -1

Answer explanation

To find the value of 7 - (3 * 2 + 4), we first evaluate the expression inside the parentheses: 3 * 2 + 4 = 6 + 4 = 10. Then, subtracting 10 from 7 gives us -3. Therefore, the correct answer is -3.

Tags

CCSS.7.NS.A.3

Simplify the expression: 2 * (4 + 3) - 6

• 20

• 8

• 14

• 10

Answer explanation

To simplify the expression, follow the order of operations. First, evaluate the parentheses: 4 + 3 = 7. Then, multiply 2 by 7: 2 * 7 = 14. Finally, subtract 6 from 14: 14 - 6 = 8. Therefore, the correct answer is 8.

Tags

CCSS.5.OA.A.1

CCSS.5.OA.A.2

Evaluate: 9 - (3 + 2) * 4

• 10

• -19

• -11

• 1

Answer explanation

To evaluate the expression, follow the order of operations. First, perform the addition inside the parentheses: 3 + 2 = 5. Then, multiply 5 by 4: 5 * 4 = 20. Finally, subtract 20 from 9: 9 - 20 = -11. Therefore, the correct answer is -11.

Tags

CCSS.7.NS.A.3