Unit 3 Test

b. 10 + ___ = 16

Elena scored 8 points in a basketball game. Noah scored 5 points and Diego scored 2 points. How many points did Elena, Noah, and Diego score together? Show your thinking using drawings, numbers, or words.

• 13

• 7

• 15

Find the value of 6 + 8. Show your thinking using drawings, numbers, or words.

• 14

• 11

• 9

Find the value of 13 – 5. Show your thinking using drawings, numbers, or words.

• 7

• 6

• 8

Clare says that 16 − 7 must be 9 because 9 + 7 = 16. Do you agree with Clare?

• True

• False

Lin has a box of crayons. She takes out 6 crayons. Now there are 9 crayons in the box. How many crayons were in Lin's box before she took some out?

• 4

• 15

• 6

Find the value of each expression. 5 + 3

Find the value of each expression. 18 – 5

Find the value of each expression. 10 + 3

Find the value of each expression. 15 – 10