Math 3rd

Fractions

100

Third of a quarter

3/4

200

1/2+3/4

1 1/4

300

3/4-1/2

1/4

400

1/2+2/4-1/2

1/2

500

1/2+3/4-2/4

3/4

Multipling

100

12x2

24

200

9x12

108

300

10x3x10 divide 10

30

400

30x40

1200

500

45x2

90

Adding

100

1+1

2

200

5+16

21

300

309+80+81

470

400

298+3+49

350

500

500+5+242

747

Subtracting

100

1-1

0

200

500-3

497

300

670-10

660

400

872-92

780

500

552-367

185