Math Core

Unit 1 · Test

Unit 1 test: Addition and Subtraction Within 20

13 questions. Answer them all, then submit to see your score. Solutions unlock after you submit.

This test covers counting on, counting back, making ten, doubles and near doubles, fact families, and using addition to subtract.

Question 1

What is 9+29 + 2?

Type a number.

Question 2

What is 4+134 + 13?

Type a number.

Question 3

What is 15−315 - 3?

Type a number.

Question 4

Nora has 11 balloons. 2 of them pop. How many balloons does she have now?

Type a number.

Question 5

Which shows how to make ten to find 8+68 + 6?

Question 6

What is 9+59 + 5?

Type a number.

Question 7

What is 8+88 + 8?

Type a number.

Question 8

What is 6+76 + 7?

Type a number.

Question 9

Which double helps you find 9+89 + 8?

Question 10

You know 5+9=145 + 9 = 14. What is 14−914 - 9?

Type a number.

Question 11

Which fact is not in the fact family for 4, 7 and 11?

Question 12

What is 13−913 - 9?

Type a number.

Question 13

There are 16 cars in a lot. 8 cars drive away. How many cars are left?

Type a number.