MA.3.A.R.1.1 Review

In each equation, find the missing value and match the equation with the correct value of n.

• n = 288

• 8 × 36 = (𝑛 × 30) + (𝑛 × 6)

• n = 2

• 4 × 52 = (4 × 50) + (4 × 𝑛)

• n = 8

• 𝑛 × 3 = (20 × 3) + (9 × 3)

• n = 29

• 55 x 8 = n

• n = 440

• 48 × 6 = 𝑛

Which of the following correctly uses the distributive property to multiply 8 × 39 ?

• (8×30)×(8×9)=24+72=96

• (8×30)+(8×9)=240+56=296

• (8×30)+(8×9)=38+17=45

• (8×30)+(8×9)=240+72=312

Henry’s farm produces potatoes every fall. Henry was to arrange his plants into 79 equal rows with 7 potato plants in each row.

Henry's farm produces ______ potato plants every fall.

Use your knowledge of the distributive property to solve each equation. Match the equation to the correct answer.

• 4 x 36

• 144

• 4 x 89

• 434

• 7 x 62

• 356

• 6 x 74

• 444

• 8 x 53

• 424

Use your knowledge of the associative property to solve the equation 7 x 9 x 2

• 140

• 126

• 125

• 130

Aliyah is painting a fence that is 7 feet high and 49 feet long. What is the area of the fence?

• 343

• 335

• 340

• 240