Addition?
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Multiplication
10

Mental Math

50 + 50 + 10

110

10

Mental Math

60 - 10 = 

50

10

MENTAL MATH

100- 50

50

10

How many tens

784

8

10

MENTAL MATH

600-150=

450

10

3x 2

6

100

Mental Math

100 + 900 =


1000

100

Mental Math

9 - 15 

-6

100

310 + 40

350
100

What is in the tens place?

650

50

100

Mental Math

3x3=

9

100

5x 5

25

200

5 + 5 + 5 +5

20

200

562-100

462

200

MENTAL MATH

155 + 245 = ? 

400

200

What is in the thousands place?

45 000

5 or 5000

200

MENTAL MATH

15+15=

30
200

10x10

100

300

Mental Math

865 + 10

875

300

649-349

349

300

MENTAL MATH

10 + ___ = 241

231

300

What is in the ones place?

345

5

300

MENTAL MATH 

12 + 12 + 12 + 12 +12

60

300

3x4

12

400

Mental Math

1048 + 200 =

1248

400

Mental Math

250-150

100

400

MENTAL MATH

37 + 63 = 

100

400

What is in the 100s place?

5482

400

400

1023+200=

1223

400

9x9

81

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