Subtract!
Place Value!
More Subtraction
Number squared
10

Mental Math

50 + 50 + 10

110

10

Mental Math

60 - 10 =

50

10

MENTAL MATH

98 + 499 =

597

10

How many tens

784

8

10

99-10=

89

10
Make the repeated number sentence into a multiplication problem.

3+3+3

3x3

100

Mental Math

100 + 900 =

1000

100

Mental Math

9 - 15

-6

100

345 + 134 =

479

100

How many ones in 405

5

100

100-25=

75

100

Make the repeated number sentence into a multiplication problem.

5+5+5+5

5x4

200

5 + 5 + 5 +5

20

200

562-100

462

200

MENTAL MATH

155 + 245 = ?

400

200

2x2

4

200

350-45=

305

200

Make the repeated number sentence into a multiplication problem.

7+7+7+7+7+7

7x6

300

Mental Math

865 + 10

875

300

649-349

349

300

MENTAL MATH

10 + ___ = 241

231

300

3x500

1500

300

500-150+

350

300

Make the repeated number sentence into a multiplication problem and solve.

2+2+2+2

2x4=8

400

Mental Math

1048 + 200 =

1248

400

Mental Math

250-175

75

400

MENTAL MATH

37 + 63 =

100

400

MENTAL MATH

6+6+10

24

400

999-610=

389

400

Make the repeated number sentence into a multiplication problem and solve.

5+5+5+5+5

5x5=25