1st Grade Math

Vocabulary

100

This means to put things together in math.

add.

200

This means to take things apart in math.

subtract.

300

sum

add

400

difference

subtract

500

Fact family

What is three numbers that go together to make a math fact.

Find the Sum

100

1+2=

3.

200

5+3=

8

300

6+4=

10

400

8+5=

13

500

9+5=

14

Find the missing number

100

2+_=7

5

200

6+_=10

4

300

8-_=4

4

400

2+_=12

What is 10

500

18- _=10

8

Word Problems

100

Jeffery has 3 cats at his house. Abigail has 4 dogs at her house. How many animals are altogether?

7

200

If I have 8 counters in my hand and put 6 in a box, I have this many left in my hand.

2

300

Cindy has 9 flowers. Sara has some others. Altogether they have 12 flowers. Sara has this many flowers

3

400

Jenny has 7 toy cars. Carl has 8 toy planes. How many toys do they have in all.

15

500

Jane has 9 balloons. 6 are green the rest are red. How many red balloons does she have?

3

Number Family

100

Create the number family for 5, 3, and 8

5+3=8 3+5=8 8-3=5 8-5=3

200

Create a number family for 6, 6, and 12

6+6=12 6+6=12 12-6=6 12-6=12

300

What is the number family for 6+4=10 4+6=10 10-4=6 10-6=4

6, 4, and 10

400

Create the Number family for 3 and 4

3+4=7 4+3=7 7-3=4 7-4=3

500

What is the number Family for 8+3=11 3+8=11 11-8=3 11-3=8

3, 8, and 11