Post-Course Test Grade 3 Chapter 15

Select the true statement.

• The array has 10 rows.

• The array has 5 columns.

• You can use the expression 5 × 10 to find how many counters there are in all.

• There are 15 counters in the array.

Divide 36 oranges into 4 equal groups. How many oranges are in each group?

• 32

• 9

• 6

• 4

Select the equation that cannot be used to represent the array.

• 6 + 7 = 13

• 7 × 6 = 42

• 6 + 6 + 6 + 6 + 6 + 6 + 6 = 42

• 42 ÷ 7 = 6

A warehouse employee stacks boxes in 8 rows. Each row has 5 boxes. The next day, 26 boxes are shipped. How many boxes are left?

• 40

• 26

• 19

• 14

Find the product. 2 × 4 = _____

• 8

• 6

• 10

• 12

Find the sum. 117 + 164

• 371

• 281

• 271

• 47

Find the difference. 624 - 532

• 92

• 112

• 191

• 192

Select the false statement.

• All the values in the row for 8 are even.

• The values in the row for 3 and the values in the column for 3 are the same because of the Commutative Property of Multiplication.

• All the values in the column for 4 are multiples of 2.

• The values in the row for 7 increase by 6.

Which number rounds to 170 when rounded to the nearest ten?

• 107

• 164

• 173

• 175

Find the area of the rectangle.

• 20 square units

• 20 units

• 25 square units

• 25 units