Lesson 9 Review Game - Tell the pattern and fill in the blanks.

+ Patterns

100

2, 4, 6, 8, ____, ____

+2

10, 12

200

12, 10, 8, ___, ___

-2

6, 4

300

1, 3, 9, ____, ____

x3

27, 81

400

400, 200, 100, ___, ___

/ 2

50, 25

500

1000, 750, 500, ____, ____

-250

250, 0

Adding 3 digit numbers

100

100+100

200

200

301+213

514

300

345+234

What is 579

400

765+948

1713

500

898+989

1887

Subtracting with regrouping

100

543 minus 467

76

200

786 minus 496

290

300

773 minus 396

377

400

348 minus 288

60

500

867 minus 588

279

Subtracting across zero

100

607-268=

339

200

705- 147=

558

300

407-169=

238

400

700- 235=

465

500

900-489=

411

Adding and subtracting decimals

100

3.897+1.127

5.024

200

1.944-1.174

0.77

300

9.423+3.231

12.654

400

4.448-2.999

1.983

500

6.290+8.980

15.27