Rounding Round 2

Ten Plus

600

5 + 5 = 10 + n

0

700

6 + 6 = 10 + n

6 + 4 + 2 = 10 + 2 = 12

800

7 + 8 = 10 + n

7 + 3 + 5 = 10 + 5 = 15

900

18 + 9 = 20 + n

18 + 2 + 7 = 20 + 7 = 27

1000

55 + 8 = 60 + n

55 + 5 + 3 = 60 + 3 = 63

Rounding

600

Round 8 to the nearest 10

10

700

Round 26 to the nearest 10

30

800

Round 143 to the nearest 10

140

900

Round 537 to the nearest 10

540

1000

Round 151 to the nearest 100

200

Skip Counting

600

Start at 800 by 100s

800; 900; 1,000; 1,100; 1,200; 1,300

700

Start at 450 by 100s

450, 550, 650, 750, 850, 950, 1050, 1150

800

Start at 762 by 10s

762, 772, 782, 792, 802, 812, 822, 832, 842

900

Start at 855 by 5s

855, 890, 895, 900, 905, 910, 915

1000

234 by 1,000s

234; 1,234; 2,234; 3,234; 4,234; 5,234 

Place Value +/-

600

200 + 20 + 100 - 20

200 + 100 = 300

20 - 20 = 0

300

700

500 - 300 + 50 - 10 + 3

200 + 40 + 3 = 243

800

600 + 80 - 50 + 6 - 3

600 + 30 + 3 = 633

900

800 - 500 + 30 + 30 + 7 + 8

300 + 60 + 15 

300 + 60 + 10 + 5

375

1000

1,000 - 500 + 400 + 90 + 11

500 + 400 + 90 + 10 + 1

900 + 100 + 1

1,001

How Many Hundreds?

600

325 + 250

5 hundreds

700

408 + 493

9 hundreds

800

575 + 225

8 hundreds

900

680 + 150 

8 hundreds

1000

975 + 933

19 hundreds