Unit 2 Math Review

Add in Any Order

100

2+1= 3

1+2=3

200

3+2=5

2+3=5

300

3 +6=9.

6+3=9

400

9+0=9

0+9=9

500

7+7=14

7+7=14

Doubles

100

2+2=

4

200

3+3=

6

300

6+6=

12

400

7+7=

14

500

8+8=

16

Doubles Plus 1

100

2+3=

2+2=4 plus 1 more= 5

200

3+4= 

3+3=6 plus one more is 7

300

4+5=

4+4= 8 plus one more  = 9

400

5+6=

5+5=10 plus one more = 11

500

6+7=

6+6=12 plus one more = 13

Count Back to Subtract

100

6-5=

1

200

4-2=

2

300

8-5=

3

400

4-4=

0

500

8-6=

2

Word Problems

100

Nora picks 6 berries. Jayce picks 2 berries. How many berries did they pick in all. 

8 berries

200

Raymond has 3 toy cars. Oscar has bring 4 more toy cars over. How many toy cars do they have in all?

7 toy cars

300

There are 6 flowers in Emma's Garden. She picks some flowers. Now there are 2 flowers left in Emma's garden. How many flowers did she pick?

4 flowers

6-2=4

400

Ezra draws 9 stars. Liam draws 4 stars. How many fewer stars did Lian draw?

9-4=5

5 fewer stars

500

Julien has 9 pears. 6 pears are yellow. The rest are green. How many pears are green?

9-6=3

3 pears are green