Expressions

Which best describes this expression?

45 x 7

• 45 more than 7

• 7 fewer than 45

• 45 times as much as 7

• 7 groups arranged to equal 45

Tags

CCSS.4.OA.A.1

Which expression has a value of 20?

• 3 x (6 + 2)

• (3 x 6) + 2

• 3 + (6 x 2)

• (3 + 6) x 2

Tags

CCSS.5.OA.A.1

CCSS.5.OA.A.2

Ms. Hernandez gave these instructions to her math students.

Add 6 and 12.

Multiply the result by 10.

Which expression has the same final answer as in Ms. Hernandez's instructions?

• (6 x 12) + 10

• 6 + (12 x 10)

• (6 + 12) x 10

• 6 x (12 + 10)

Tags

CCSS.5.OA.A.1

CCSS.5.OA.A.2

Which expression matches this problem?

2 more than the product of 6 and 3

• 2 + (6 + 3)

• 2 + (6 - 3)

• 2 + (6 x 3)

• 2 + (6 $\div$ 3)

Tags

CCSS.5.OA.A.1

CCSS.5.OA.A.2

Which number goes in the blank to make the equation true?

(11 + 4) + 3 = ( ___ + 6) +2

• 8

• 10

• 11

• 15

Tags

CCSS.1.OA.B.3

What is the correct way to simplify this expression?

6 x (12 + 3)

• Add 3 and 12, and then add that sum to 6.

• Add 3 and 12, and then multiply that sum by 6.

• Multiply 6 by 12, and then add 3 to that product.

• Multiply 6 by 12, and then multiply 6 by 3. Then find the difference between these two products.

Tags

CCSS.5.OA.A.1

CCSS.5.OA.A.2

Which statement describes how to simplify 8 + [4 x (3 + 6)]

• Add 8 and 4, multiply the sum by 3, and then add 6.

• Multiply 4 by 3, add 6 to that product, and then add that to 8.

• Add 8 and 4, add 3 and 6, and then multiply both sums together.

• Add 3 and 6, multiply the sum by 4, and then add 8 to that product.

Tags

CCSS.5.OA.A.1

CCSS.5.OA.A.2

Ms. Barrientos wrote these directions on the board.

Add 6 and 3

Multiply the sum by 9.

Subtract 4 from the product.

Which expression represents Ms. Barrientos's directions?

• 6 + 3 x 9 - 4

• 6 + (3 x 9) - 4

• 6 + 3 x (9 - 4)

• (6 + 3) x 9 - 4

Tags

CCSS.5.OA.A.1

CCSS.5.OA.A.2

Which operation should Kenji do first to simplify the number expression?

9 - 2[(3 - 2) + 6]

• 3 - 2

• 2 + 6

• 2 x 3

• 9 - 2

Tags

CCSS.5.OA.A.1

CCSS.5.OA.A.2

Mary has 3 boxes of key chains. There are key chains in each box. Each key chain has 6 beads. The expression below shows the total number of beads on these key chains.

(3 x 8) x 6

Which expression could also be used to fin the total number of beads on these key chains?

• 6 x (3 x 8)

• 6 + (3 x 8)

• 6 x (3 + 8)

• 6 + (3 + 8)

Tags

CCSS.5.OA.A.1

CCSS.5.OA.A.2