Practice the problems of Math in Focus Grade 4 Workbook Answer Key Chapter 8 Practice 2 Adding Decimals to score better marks in the exam.

## Math in Focus Grade 4 Chapter 8 Practice 2 Answer Key Adding Decimals

**Fill in the blanks. Write each sum as a decimal.**

Example

0.02 + 0.04 = __2__ hundredths + __4__ hundredths

= __6__ hundredths

= __0.06__

Question 1.

0.03 + 0.07 = ___ hundredths + ____ hundredths

= ____ hundreths

= _____

Answer:

0.03 + 0.07 = 0.10.

Explanation:

0.03 + 0.07 = 3 hundredths + 7 hundredths

= 10 hundreths

= 0.10.

Question 2.

0.06 + 0.08 = ___ hundredths + ____ hundredths

= ____ hundreths

= _____

Answer:

0.06 + 0.08 = 0.14.

Explanation:

0.06 + 0.08 = 6 hundredths + 8 hundredths

= 14 hundreths.

= 0.14.

Question 3.

0.09 + 0.05 = ___ hundredths + ____ hundredths

= ____ hundreths

= _____

Answer:

0.09 + 0.05 = 0.14.

Explanation:

0.09 + 0.05 = 9 hundredths + 5 hundredths

= 14 hundreths.

= 0.14.

**Fill in the blanks.
**Question 4.

Add the hundredths.

4 hundredths + 7 hundredths

= ___ hundredths

Regroup the hundredths.

___ hundredths = ___ tenth ___ hundredth

Step 2

Add the tenths.

3 tenths + 8 tenths + ___ tenth = ___ tenths

Regroup the tenths.

___ tenths = ___ one and ___ tenths

Step 3

Add the ones.

2 ones + 0 ones + ___ one = ___ ones

So, 2.34 + 0.87 = ___.

Answer:

2.34 + 0.87 = 3.21.

Explanation:

Step 1:

Add the hundredths.

4 hundredths + 7 hundredths

= 11 hundredths.

Regroup the hundredths.

11 hundredths = 1 tenth 1 hundredth.

Step 2:

Add the tenths.

3 tenths + 8 tenths + 1 tenth = 12 tenths.

Regroup the tenths.

12 tenths = 1 one and 2 tenths.

Step 3:

Add the ones.

2 ones + 0 ones + 1 one = 3 ones.

**Add.
**Question 5.

Answer:

0.02 + 0.35 = 0.37.

Explanation:

Step 1:

Add the hundredths.

2 hundredths + 5 hundredths

= 7 hundredths.

Step 2:

Add the tenths.

0 tenths + 3 tenths = 3 tenths.

Step 3:

Add the ones.

0 ones + 0 ones = 0 ones.

Question 6.

Answer:

0.06 + 0.46 = 0.52.

Explanation:

Step 1:

Add the hundredths.

6 hundredths + 6 hundredths

= 12 hundredths.

Regroup the hundredths.

12 hundredths = 1 tenth 2 hundredth.

Step 2:

Add the tenths.

0 tenths + 4 tenths + 1 tenth = 5 tenths.

Step 3:

Add the ones.

0 ones + 0 ones = 0 ones

**Write in vertical form. Then add.
**Question 7.

$0.57 + $0.29 = $ _____

Answer:

$0.57 + $0.29 = $0.86.

Explanation:

Question 8.

3.6 + 0.54 = ____

Answer:

3.6 + 0.54 = 4.14.

Explanation:

Question 9.

$0.78 + $0.88 = $____

Answer:

$0.78 + $0.88 = $1.66.

Explanation:

Question 10.

7.25 + 1.78 = ___

Answer:

7.25 + 1.78 = 9.03.

Explanation:

**Derek hops two steps on each number line. Which decimal does he land on? Write the correct decimal in each box.
**Example

Question 11.

Answer:

Explanation:

10.0 + 1.26 + 2.57

=11.26 + 2.57

= 13.83.

Question 12.

Answer:

Explanation:

50.0 + 2.69 + 1.83

= 52.69 + 1.83

= 54.52.

Question 13.

Answer:

Explanation:

1.2 + 0.36 + 0.38

= 1.56 + 0.38

= 1.94.