Semester 1 Math Review SCES

Multiplication

100

12 X 23 =

276

200

45 X 67 =

3015

300

158 X 40 =

6320

400

786 X 557 = 

437,802

500

45 X 21 X 732 =

691,740

Decimal Addition

100

0.23 + 1.45 =

1.68

200

12.34 + 7.98 =

20.32

300

5 + 0.456

5.456

400

1.008 + 32.07 + 21 =

54.078

500

14.32 + 0.65 + 124.89 =

139.86

Decimal Subtraction

100

1.68 - 1.25 =

0.43

200

12.3 - 7.4 =

4.9

300

12.32 - 6.74 =

5.58

400

6 - 0.72 =

5.28

500

16.234 - (3.83-2.98) =

15.384

Fraction Addition

100

1/2 + 3/8 = 

7/8

200

3/5 + 7/9 = 

1 ^17/45

300

1 ^2/7 + 3 ^4/6 =

40/42 or 20/21

400

17/4 + 5 ^3/6 = 

9 ^3/4

500

2 ^3/4 + 3 ^1/6 + 5 ^2/3 =

11 ^7/12

Fraction Subtraction

100

2/3 - 1/6 = 

3/6 or 1/2

200

1 ^3/4 - 1 ^2/7 =

13/28

300

4 ^3/8 - 2 ^1/3 =

2 ^1/24

400

7 - 4 ^5/9 =

2 ^4/9

500

6 - 1/3 - 2 ^6/7 =

2 ^17/21