Addition
Subtraction
3 Digit Addition
The Missing Number
100
I am made of three rods and six units.
What is 36?
100
Alex had 9 titanic books and he lent 3 to Cameron. How many books does Alex have left?
What is 6?
100

3 + 7 + 3

13

100
13+ ? =23
What is 10?
200

I am 16 plus 9?

What is 25

200
Emily had 14 stickers and then gave Shawntay some. Now Emily has 10 left. How many stickers did Emily give Shawntay?
What is 4?
200

13+7+4=

24

200
?+4=17
What is 13?
300
I am 13+8
What is 21
300
Ms. Defazio had some new, bright markers. She lent Ms. Gresh 5 of them and now she has 11 left. how many markers did Ms. Defazio lend to Ms. Gresh?
What is 16?
300

 4+5+6

15

300
4, 8, 12, ?, 20, 24
What is 16?
400

I am made of 100 , 20  and 7 units.

What is 127

400
22-12=
What is 10?
400

24+5+9=

38

400
23, 26, ?, 32, 35
What is 29?
500
I am 26+14
What is 40?
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

125+25+25=

175

500
125, 127, 129, ?, 133
What is 131?
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