Unit 1 Math

Doubles Facts

100

4 + 4 = ?

? = 8

200

What doubles fact can help you find 7 + 8 = ?

7 + 7 = 14

8 + 8 = 16

300

6 + 6 = ?

12

400

Heidi picked 6 flowers. She gave her mom 3 flowers. Which doubles fact can help you find how many flowers Heidi has left?

3 + 3 = 6

6 - 3 = 3

500

Mrs. Lierman has 12 students. 6 of them are sick. Which doubles fact can help Mrs. Lierman find out how many students she has left? 

6 + 6 = 12

12 - 6 = 6

Subtraction

100

14 - 7 = ?

7

200

Use a number line to show you can subtract 8 - 3 = ?

5

300

What addition fact helps you solve 14 - 6 = ? 

6 + 8 = 14

400

Morgan has 7 dolls. She gives 4 to her friend. How many dolls does Morgan have now?

3 dolls

500

Use subtraction to help you solve 8 + ____ = 13.

13 - 8 = 5

5

Adding 3 Numbers

100

4 + 2 + 4 = 

10

200

5 + 6 + 3 = 

14

300

Kyle has baskets of pencils. One basket has 4. One basket has 5. The last basket has 6. How many pencils do they have?

15

400

11 + 4 + 3 = 

18

500

Journee has 4 friends at her house. 3 more friends come later. The next morning, 6 more friends come. How many friends are in Journee's house?

13 friends

Missing Addend

100

8 + _____ = 14

6

200

5 + ____ = 7

2

300

6 + ____ = 15

9

400

6 + _____ = 12

6

500

____ + 7 = 15

8

Fact Families

100

What fact is in the same fact family as 9 + 3 = 12

3 + 9 = 12

12 - 9 = 3

12 - 3 = 9

200

Use 14, 8, and 6 to write a complete fact family.

14 - 8 = 6

14 - 6 = 8

6 + 8 = 14

8 + 6 = 14

300

Write a fact family with the number 7 in it.

Answers may vary.

400

Write a fact family with the number 17 in it.

Answers may vary.

500

Write a fact family with the number 20 and 5 in it.

20 - 5 = 15

20 - 15 = 5

15 + 5 = 20

5 + 15 = 20