Topics 1-5

1

100

write 175270 in expanded

100000+70000+5000+200+70

200

write 580248 in expanded

500000+80000+200+40+8

300

write 580248 in number names

five hundred eighty thousand, two hundred forty-eight

400

write 150980 in number names

One hundred fifty thousand, nine hundred eighty.

500

write 175270 in number names

One hundred seventy-five thousand, two hundred seventy.

2

100

what is 278+87

365

200

what is 4765+83

4848

300

what is 48930+2070

51000

400

what is 213+76

289

500

what is 9093+893

9986

3

100

10x9

90

200

40x4

160

300

80x2

160

400

60x2

120

500

700x2

1400

4

100

round 786 to the nearest 10

790

200

round 87243 to the nearest 10000

90000

300

round 845 to the nearest 10

850

400

round 7834 to the nearest 100

7800

500

round 8984758758 to the nearest 1000

8984759000

5

100

what is 360 divided by 40

9

200

what is 250 divided by 50

5

300

what is 1600 divided by 400

4

400

what is 80 divided by 20

40

500

what is 900 divided by 450

50