addition
subtraction
multipacation
divison
100

100+250

350

100

500-800

you can not do switch it around 

100

50 times 5

250

100

30 divied by 6

5

200

300+500

800

200

1,000-300

700

200

20 times 3

60

200

6 divded by 2

3

300

157+349

506

300

500-500

0

300

30 times 9

270

300
10 dived by 5

2

400

400+1,500

1,900

400

400-300

100

400

50 times 4

200

500

1,000+1,750

2,750

500

sarai has 1,000 dollars DI'avion asks for 500 dollars how many does sarai have now

500 ( : you owe me

500

Alexander jr has 500 footballs grandma takes some now he has 300 how many did grandma take

grandma took 200

500

sarai 35 toy dolls she put them in rows of 7 how many rows are there

5