Show What You Know Maaaaaath

Say What?

10

Mental Math

50 + 50 + 10

110

100

Mental Math

100 + 900 =

1000

200

25 + 25 + 25 + 25 + 25

125

300

Mental Math

865 + 10

875

400

Mental Math

1048 + 200 =

1248

Subtract!

10

Mental Math

80- 10 = 

70

100

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

562-100

462

300

649-349

349

400

Mental Math

250-150

100

Add!

10

MENTAL MATH

98 + 499 = 

597

100

345 + 134 = 

479

200

MENTAL MATH

155 + 245 = ? 

400

300

MENTAL MATH

10 + ___ = 241

231

400

MENTAL MATH

370 + 63 = 

433

Place Value!

10

What number is in the tens place?

784

8

100

MENTAL MATH

135 x 3  = 

405

200

Mental Math

20 x 41 = 

820

300

Mental Math

275 x 2=

550

400

MENTAL MATH 

8 x 9 x 2 = 

144

Divide!

10

MENTAL MATH

400 divided into 5 groups

80

100

Mental Math

54 divided into 6 groups

9

200

MENTAL MATH

what is 1/4 in decimal form?

.25

300

500 divided by 25

20

400

1400/10

140

Fractions

10

What does

1/4 + 1/4 =

2/4

100

5/7 + 1/7= 

6/7

200

1/5 +3/5=

4/5

300

13/20 +5/20=

18/20

400

7/12 + 3/12=

10/12

Number squared

10

What is 3² ?

9

100

What is 9²

81

200

What is 4² ?

16

300

What is 5² ?

25

400

What is 6² ?

36