Unit 2 Practice

Which expression has an even sum?

• 2 + 3

• 4 + 8

• 3 + 6

• 7 + 4

Which expression has an odd sum?

• 3+ 1

• 2 + 6

• 3 + 4

• 8 + 8

Morgan organizes her 15 pop its into an array. Which equation can Morgan use to make her array?

• 5 + 5 + 5 = 15

• 10 + 5 = 15

• 11 + 14 = 15

• 4 + 4 +4 + 3 = 15

Sawyer has 16 toy cars. Which equation can Sawyer use to make an array with the cars?

• 6 + 6 + 4 = 16

• 8 + 8 = 16

• 5 + 5 + 6 = 16

• 15 + 1 = 16

Which equation can be used to describe the model?

• 4 + 4 = 8

• 10 + 1 = 11

• 7 + 3 = 10

• 3 + 3 + 3 + 3 = 12

On the playground there are an even number of boys and an odd number of girls. Which describes the students on the playground?

• 7 boys and 5 girls

• 10 boys and 7 girls

• 15 boys and 6 girls

• 3 boys and 6 girls

Stellan plants tomatoes in a garden with 3 rows and 4 columns. Which equation shows his array of tomatoes?

• 3 + 3 + 3 = 9

• 3 + 4 = 7

• 4 + 4 + 4 = 12

• 6 + 6 = 12

Which shows a list of EVEN numbers when skip counting by 2?

• 4, 8, 12, 16, 20

• 3, 5, 7, 9, 11

• 4, 6, 8, 10, 12

Brody makes an array using books. He has 16 books. Which equation does NOT represent his array of books?

• 8 + 8 = 16

• 4 + 4 + 4 + 4 = 16

• 3 + 3 + 3 + 3 + 3 + 1 = 16

• 2 + 2 + 2 + 2 + 2 + 2 + 2 + 2 = 16