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3rd Grade Multiplication
3rd Grade Rounding
Multiplication Strategies
3rd Grade Addition
3rd Grade Subtraction
100

5X4=

20

100

29 rounded to the nearest 10

30

100

Draw an array for the problem:

4 x 3

@@@

@@@

@@@

@@@       = 12

100

55+15=

70

100

100-18=

82

200

8X6=

48

200

621 rounded to the nearest 100

600

200

___ x 5 = 35

___ = 7


200

184+17=

201

200

456-175=

281

300

10X6=

60

300

214 rounded to the nearest 10

210

300

Draw equal groups for the problem:

4 x 4 =

16

300

2,220+350=

2,570

300

820-612=

208

400

7X6=

42

400

1,049 rounded to the nearest 100

1,000

400

4 x ___ = 36

____ = 9

400

167+250=

417

400

2000-129=

1871

500

6X9=

54

500

12,472 rounded to the nearest ten

12,470

500

10 x 12 = ?

7 X 1 = ? 

15 X 0 = ?

120

7

0

500

996 + 978 

1,974

500

1,000-59=

941