1st Grade Unit 1 Math Review

Addition

100

5+1=

6

200

7+2=

9

300

3+1=

4

400

5+5=

10

500

0+10

10

Subtraction

100

3-1=

2

200

5-2=

3

300

6-1=

5

400

4-2=

2

500

9-8=

1

Data

100

Animals at the Petting Zoo: 

Sheep: lll

Goats: llll

Chickens: ll

How many sheep are at the petting zoo?

3

200

Animals at the Petting Zoo: 

Sheep: lll

Goats: llll

Chickens: ll

How many goats and chickens are at the petting zoo?

6

300

Animals at the Petting Zoo: 

Sheep: lll

Goats: llll

Chickens: ll

Write an equation that shows how many chickens and sheep are at the petting zoo. 

2+3=5

400

Animals at the Petting Zoo: 

Sheep: lll

Goats: llll

Chickens: ll

Which category has the most animals?

Goats

500

Animals at the Petting Zoo: 

Sheep: lll

Goats: llll

Chickens: ll

Write an equation that shows how many 4 legged animals are in the petting zoo. 

3+4=7

True or False

100

True or False: 

 6+1=7

True

200

True or False: 

5+2=9

False

300

True or False:

2+2=3+1

True

400

True or False?

5+1=5+2

False

500

True or False: 

4+5=8+1

True

Word Problems

100

I saw 2 birds. 3 more birds came and joined. How many birds are there now?

5 birds

200

There are 5 grapes on my plate. I eat 1 of them. How many grapes are left?

4 grapes

300

We see 4 llamas. 2 more llamas walk over. How many llamas are there now?

6 llamas.

400

I have 9 pencils. I give my friend 1 pencil. How many pencils do I have now?

8 pencils

500

There are 10 pieces of chocolate. My friends eat 9 of them. How many pieces do I have left?

1 piece of chocolate.