Decimal Addition and Subtraction Quiz

What is the first step in adding or subtracting decimal numbers?

• Add the digits directly

• Ignore the decimal points

• Align the decimal points

• Subtract the digits directly

When adding 2.34 and 1.22, what is the sum?

• 3.56

• 3.46

• 3.66

• 3.76

In the example of adding 4.59 and 3.697, why do we add a zero to the thousands place?

• To make the numbers look bigger

• To make the calculation easier

• To match the length of the decimals

• To confuse the students

What is the sum of 4.59 and 3.697?

• 8.2871

• 8.2870

• 8.287

• 7.287

What is the result of subtracting 6.32 from 9.66?

• 3.44

• 3.34

• 3.54

• 3.24

In subtraction, what do you do if a digit in the minuend is smaller than the corresponding digit in the subtrahend?

• Subtract directly

• Borrow from the next higher place value

• Ignore it

• Add a zero

What is the sum of 1.23 and 2.03?

• 3.26

• 3.06

• 3.16

• 3.36

What is the sum of 4.79 and 5.36?

• 10.05

• 10.15

• 10.35

• 10.25

What is the difference between 14.793 and 9.24?

• 5.653

• 5.853

• 5.553

• 5.753

What is the result of subtracting 3.702 from 8.213?

• 4.611

• 4.811

• 4.711

• 4.511