Show:
Rounding
Subtract!
Add!
Multiply!
Divide!
Vocabulary
100

Round to the tens

10,375

10,380

100

Mental Math  50-55

0

100

MENTAL MATH

75 + 75 = 

150

100

MENTAL MATH 

3 x 7

21

100

100/25

4

100

The operation associated with the words "in all," "all together," or "total."

Addition

200

Round to the hundreds

732


700

200

Mental Math

Fiona wants to buy a phone charger worth $42, but she only has a $50 bill How much change will she receive?

$8.00

200

400+240

640
200

MENTAL MATH

5 x 5

25


200

Mental Math

60 divided into 10 groups

6

200

The operation associated with the word "each"

Multiplication

300

Round to tens

1,923

1,920
300

Mental Math

60 - 30 = 

30

300

MENTAL MATH

50+50 = 

100

300

Mental Math 

8 x 5 = ?

40

300

MENTAL MATH

40 divided into 5 groups

8

300

The type of math you should do when the problem asks "how many are left?"

Subtraction


400

Round to the hundreds

2,019

2,000

400

500-200

300

400

MENTAL MATH

3 + x = 24

 x = 21

400

Mental Math

10 x 10

100

400

MENTAL MATH 

45 divided into 9 groups 

5

400

What is the answer to a multiplication problem called?

Product

500

Round to the thousands

14,379

14,400

500

1000-500

500
500

MENTAL MATH

155 + 245 = ? 

400

500

Mental Math

12X12

144

500

MENTAL MATH

100 divided into 5 groups

20

500

what is the answer to a division problem called?

Quotient