rounding
adding fractions
multipulcation
addtion
subtraction
100

894

Round to nearest hundreds

900

100

2/4           3/4

2 x 4 = 8

3 x 2 = 6

4 x 4 = 16


100

10 x 12 

= 120

100

500 + 500

10,00

100

700 - 600

= 100

200


240

round to the nearest ten ...

240

200

6/9                   5/8

6 x 5 = 30

6 x 8 =  48

5 x 6 = 30 

5 x 9 = 45

 <

200

200  x 500  =

1500

200

500  + 300 = 

800

200

900 - 800

100

300

2000 

round to the nearest hundred

3000

300

5/9                     7/3

3 x 5=15

3 x 9=27

9 x 7=63

9 x 3=27
<

300

3 x 5

15

300

500 + 400 

= 900

300

123 - 123 =

000

400

1/2         1/5

1 x 2 = 2

1 x 5 = 5

5 x 2 = 10

2 x 5 = 10

400

3 x 10 = 

30

400

200 + 600

800

400

800 - 900 =

100

500

2/9                        1/4

9 x 2 =  18

2 x 4 = 8

2 x 1 = 2

500

3 x 5 =

15

500

600 +400 =

10,00

500

936 -725 =

211