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Rounding numbers
10

Mental Math

50 +25= 

75

10

Mental Math

60- 10 = 

50

10

MENTAL MATH

10 + 20 = 

30

10

How many tens are in..

784

8

10

MENTAL MATH

400 divided into 5 groups

80

10

When is the last day of school? 

Thursday 
10

123 to nearest 10's

120
100

Mental Math

100 + 900 =


1000

100

Mental Math

What is $50 - $25?

$25

100

99 + 15

114

100

How many ones are in 405?

5

100

Mental Math

54 divided into 6 groups

9

100

Guess What ?

Free Point !!!!!



100

167 to nearest 100

200

200

5 + 5 + 5 +5

20

200

562-100

462

200

MENTAL MATH

155 + 245 = ? 

400

200

How many hundreds are in 820?

8

200

MENTAL MATH

 783 divided by 3 

261

200

What is our Principal's name?

Dr. Rasmussen, Jonathan, Dr. R

200

239 - nearest hundred

200

300

Mental Math

865 + 10

875

300

649-349

300

300

MENTAL MATH

50 + 50 + 10 = 

110

300

Guess What?

Free Points

300

MENTAL MATH 

2000 divided into fourths 

500

300

What are the rational numbers that have positive and negative signs?

Integers

300

599 to nearest tens

600

400

Mental Math

1048 + 200 =

1248

400

82 - 59

23

400

MENTAL MATH

37 + 63 = 

100

400

How many tens are in 144?

4

400

140/10

14

400

What is Mrs. Crespo's first name

Olga

400

Round to nearest ten, and hundred :  989

990, 1000