Math Review

Place Value

100

The place of the 2 in 234

hundreds

200

The value of the 7 in 4.67

seven hundredths

300

The place of the 1 in 34.18

tenths

400

The value of 9 in 9,234

nine thousand

500

the place of 8 in 683

tens

Decimals

100

   89.5

+  5.6

95.1

200

     374.0

 -   17.6

356.4

300

       1,245.6

 +      789.0

2,034.6

400

    247.4

-    13.9

233.5

500

    200.00

-     12.99

187.11

Multiplication

100

12 x 9

108

200

12 x 11

132

300

43 x 9

387

400

246 x 13

3,198

500

54 x 24

1,296

Division

100

24/6

4

200

60/15

4

300

1,644/4

411

400

450/18

25

500

414/69

6

Adding/Subtracting Fractions

100

1/2 + 2/4

1

200

1/3 + 3/12

7/12

300

1/4+3/6

9/12 or 18/24

400

5/6-1/5

19/30

500

9/20-1/7

43/140