Addition and Subtraction of Decimals

What is 3.75 + 2.68?

• 6.00

• 6.43

• 7.13

• 5.43

Calculate 5.4 - 2.9.

• 2.0

• 3.1

• 2.5

• 2.8

Add 0.56 and 1.34.

• 1.70

• 2.00

• 1.90

• 1.80

Subtract 4.5 from 7.2.

• 3.5

• 5.7

• 2.7

• 1.5

What are the rules for adding decimals?

• Align the decimal points, add as whole numbers, and place the decimal in the result.

• Multiply the numbers before adding the decimals

• Ignore the decimal points and add normally

• Add from right to left without aligning decimals

Explain the steps to subtract decimals.

• Align numbers by the largest digit

• To subtract decimals, align the numbers by the decimal point, annex zeroes for equal decimal places, subtract from right to left, and place the decimal point in the result.

• Ignore the decimal point completely

• Add the decimals instead of subtracting

If you have Php 125 and you buy a book for Php 72.50, how much money do you have left?

• Php 32.50

• Php 60.00

• Php 52.50

• Php 47.50

You scored 8.5 points in one game and 6.75 in another. What is your total score?

(a)  

What is 9.8 + 0.45?

• 10.00

• 10.25

• 11.25

• 9.35

Calculate 10 - 3.75.

(a)