Double Facts
Addition
Subtraction
World Problems
Hard Addition & Subtraction
100

9+8=? 

17

100

3+2=?

5

100

4-1=?

3

100

Steve had three apples and Marvin had five apples how many apples to they have altogether?  

8 apples

100

100+100=?

200

200

2+2=? 

4

200

4+4=?

8

200

8-2=?

6

200

Veronica had eight marbles and she gave Simon seven of her marbles, how much marbles does Veronica have left? 

1 marble

200

304+5=?

309

300

8+8=?

16

300

6+6=?

12

300

9+0=?

9

300

A fish owner has 12 fish and Lisa bought 6 of the fish, how much does the owner have left?

6 fish

300

900-200=?

700

400

9+3=?

12

400

5+6=?

11

400

8+7=?

15

400

Samantha and Micheal both have seven balls and Sophia gave them seven more balls, how much balls does Samantha and Micheal have now?

14 balls

400

400-3=?

397

500

20+6=?

26

500

5+8=?

13

500

15+2=?

17

500

Lorin has 5 pencils and Jackson had 7 pencils, how much pencils do they have altogether?  

12 pencils

500

1,000+200-4=?

1196

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