Add and Subtract within 1000

3 digit addition

100

236 + 104 = 

340

200

353 + 247 = 

600

300

472 + 489 = 

961

400

789 + 218 = 

1007

500

958 + 793 = 

1751

3 digit subtraction

100

148 - 104 =

44

200

259 - 136 = 

123

300

482 - 295 = 

187

400

704 - 529 = 

175

500

986 - 798 = 

188

Division

100

What is the answer to a division question called?

Quotient

200

There are 15 goldfish and 3 bowls. If an equal number of goldfish go in each bowl, how many will be in 1 bowl?

5

300

There are 45 books to go on a book shelf. There are 5 shelves. If you want an equal number of books on each shelf, how many books will be on 1 shelf?

9

400

Emily is sharing candy with 3 friends. If she has 24 pieces of candy, how many pieces will each person get?

8 pieces

500

Sophia is sharing candy with herself and 3 friends. If she has 24 pieces of candy, how many pieces will each person get?

6

Multiples of ten

100

80 x 10

800

200

50 x 60

3000

300

8 x 400

3200

400

70 x 80

5600

500

12 x 200

2400

Properties

100

What is the identity property?

Anything times 1 is itself

200

Rewrite and solve using the commutative property

2 x 3 x 4

3 x 4 x 2= 24

2 x 4 x 3=24

3 x 2 x 4=24

4 x 3 x 2=24

4 x 2 x 3=24

300

(2 + 4) x ( 2 + 4)

This is the the distributive property. Fix the mistake and solve. 

(2 x 4) + (2 x 4) = 16

400

( 4 x 2) x 8

What is another way to write the problem above using the associative property?

4 x (2 x 8)

500

7 (2 x 3)

The equation above shows the distributive property. Fix the mistake and solve it correctly.

7 (2 + 3) = 35