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100

Mental Math

50 + 50 + 10

110

100

Mental Math

60- 10 = 

50

100

MENTAL MATH

98 + 499 = 

597

100

How many tens

784

8

200

Mental Math

100 + 900 =


1000

200

Mental Math

Jack had a lemonade stand and made $25, the first day and $30 the next day. how much money did he make?

$55

200

345 + 134 = 

479

200
How many 100s: 678

6

300

5 + 5 + 5 +5

20

300

562-100

462

300

MENTAL MATH

155 + 245 = ? 

400

300

How many 1's: 703

3

400

Mental Math

865 + 10

875

400

649-349

349

400

MENTAL MATH

10 + ___ = 241

231

400

How many 1000's: 3,057

3