Operation and Algebraic Thinking

Which expression is equal to 7 × 4?

• 4 + 7

• 7 - 4

• 4 × 7

• 7 ÷ 4

What is the missing number?

27=9x?

• 4

• 3

• 27

• 6

What multiplication equation is equal to the array? (Think about how many groups there are.)

• 5x4

• 4x2

• 6

• 2x4

Which expression is equal to 5 × 4?

• 5 + 4

• 5 - 4

• 4 × 5

45 = 5 × ?

(Think about what number multiplied by 5 will equal 45? You can count by 5's! )

• 5

• 9

• 7

• 4

Find the missing number.

56 ÷ □ = 8

(What number multiplied by 8 will equal 56?)

• 8

• 6

• 7

Find the missing number.

□ ÷ 7 = 8

• 76

• 56

• 1,000,000,000,000,000

What is the pattern?

• Subtract 4

• Subtract 6

• Add 4

• Subtract 1

Which expression is equal to 5 × 14?

• (5 × 10) × 4

• 5 × (10 + 4)

• (5 × 1) + (2 × 7)

• (5 × 4) × (5 × 10)

Which expression is equal to 2 × (4 × 3)?

• 2 + (4 × 3)

• (2 × 4) × 3

• (2 × 4) + (2 × 3)

• (4 × 3) × (4 × 3)