Problem Solving
Addition
3 Digit Addition
The Missing Number
Shapes
100

Alex had 9 titanic books and he lent 3 to Cameron. How many books does Alex have left?

6

100

6 + 6 + 6

18

100

What is three plus seven plus three

 13

100

13+ ? =23

10

100

I have no edges and I roll.

sphere

200

Emily had 14 stickers. Shawn gave her 10 more. How many stickers does Emily have now? 

24

200

 16 plus 9 

 25

200

13+7+4=

24

200

?+4=17

13

200

All of my edges come to a point, I have a square base and triangle faces.

sqaure based pyramid

300

Ms. Chee had 10 red markers. She gave Ms. Ada 5 of them and bought 10 new blue markers. How many marker does Ms. Chee have now? 

15

300

70 + 10 + 10

90

300

4+5+6

15

300

4, 8, 12, ?, 20, 24

16

300

I have 4 equal sides. What shape am i?

square

400

Josh caught 30 fish Monday , 10 fish Tuesday and 25 fish on Wednesday. He bought 6 worms. How many fish did he catch in total?

65

400

100 + 300 + 50

450

400

24+5+9=

38

400

23, 26, ?, 32, 35

 29?

400

I have 6 equal sides. What shape am I? 

hexagon

500

There are 100 salmon in the fish tank. 25 like to play while the rest like to sleep. How many salmon like to sleep?

What is 75?

500

 26+14

 40

500

50+50+50=

150

500

125, 127, 129, ?, 133

 131?

500

I have 6 equal faces. All my faces are square shaped. 

cube