Second Grade Review

Expanded Form Addition

100

15+12=?

27

200

134+25=?

159

300

127+34=?

161

400

256+45=?

301

500

352+259=?

611

Base-10 Addition

100

17+2=?

19

200

38+12=?

50

300

72+19=?

91

400

133+28=?

161

500

152+78=?

230

Base-10 Subtraction

100

29-7=?

22

200

38-15=?

23

300

43-29=?

14

400

152-34=?

118

500

134-46=?

88

Arrow Method (Addition and Subtraction)

100

14+22=?

36

200

34-22=?

12

300

142+39=?

181

400

164-29=?

135

500

172+231=?

403

Word Problems

100

Liam has 6 apples. His mom gives him 3 more apples. How many apples does Liam have now?

Liam has 9 apples.

200

There are 10 ducks in a pond. 4 ducks swim away. How many ducks are left in the pond?

6 ducks are left in the pond.

300

Sofia has 8 stickers. Her friend gives her 7 more stickers. How many stickers does Sofia have in all?

Sofia has 15 stickers.

400

There are 15 kids on the playground. 6 kids go inside to get water. How many kids are still on the playground?

There are 9 kids still on the playground.

500

There are 24 books on a shelf. The teacher takes 9 books to read with the class. How many books are left on the shelf?

There are 15 books left on the shelf.