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Addition
Subtraction
Multiplication
Division
Questions
100

2.6 + 4.9

7.5

100

3.8 - 2.5

1.3

100

2.7 x 2.4

6.48

100

25.8/6 =

4.3

100

What are decimal numbers?

Decimals are numbers that represent part or pieces of a whole.

200

13.3 + 14.2

27.5

200

12.3 - 10.2

2.1

200

3.31 x 2.3

7.613

200

26.52/12 =

2.21

200

What is the most important part to adding and subtracting decimal?

The most important thing is to keep your decimal points lined up.

300

4.32 + 3.26

7.58

300

5.36 - 4.28

1.08

300

2.47 x 1.21

2.9887

300

36.9/11 = 

3.35454..

300

What is the most important thing when multiplying decimals?

The decimal point should be placed in the product in such a way that, the product has a number of decimal places equal to the sum of decimal places of all the multiplicands and the multipliers.
400

13.3 + 14.2

49.56

400

28.39 - 26.28

2.11

400

1.28 x 1.5

1.92

400

1.386/1.2 =

1.155

400

What is used when comparing numbers?

The place value.
500

29.16 + 4.22

33.38

500

46.27 - 43.28

2.99

500

1.32 x 2.21

2.9172

500

45.39/1.25 =

36.312

500

What happens if both the dividend and the divisor have a decimal point?

Move the decimal point to the right in the dividend as many spaces as you move it in the divisor to make it a whole number.