Multiplication
Addition
Placing decimals
Multiplying decimals
Key Words
100

1 x 7

7
100

1 +1

2

100

1 x 2.5=25

2.5

100

4.9 x 1=

4.9

100

What does sum mean?

The answer to an addition problem

200

2 x 8

16

200

2 +10

12

200

2x 3.5=70

7.0

or 

7

200

5.5 x 2

11

200

What does difference mean?

the answer to a subtraction problem

300

3x 12

36
300

10 + 12

22

300

1.1 x 3.2=352

3.52

300

1.5 x 1

1.5

300
what does product mean?

The answer to a multiplication problem

400

12 x 15

180

400

35 +46

81

400

1.5 x 4.5=675

6.75

400

2.4x 5= 

12

400

What does quotient mean?

The answer to a division problem?

500

56x 5

280

500

320 +430

750

500

3.189 x 3.29= 1049181

10.49181

500

3.5 x 4.2

14.70

500

What does variable mean?

a place holder for a number/ it represents an unknown number

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