Math Unit 1 Review (1st Grade)

What comparison does the model show?

• 16 < 13

• 13 < 16

Coutn forwards. What comes next?

12, ___, ____, ____

• 11, 10, 9

• 13, 14, 15

• 15, 16, 17

Harry picks up 15 apples. What number is less than 15?

• 16

• 14

• 20

Ava counts 10 + 8 seashells at the beach. Which model shows her number?

• 
• 
• 

Aaron ordered these numbers from least to greatest. 13, 20, 11. How did he order them?

• 20, 13, 11

• 11, 13, 20

How many tens are in the number 18?

• 8

• 1

How many ones are in the number 12?

• 1

• 2

What number could belong at the dot?

• 9

• 8

• 11

What digit is in the tens place for the number 15?

• 5

• 1

What digit is in the ones place in the number 20?

• 0

• 2