Practice the problems of Math in Focus Grade 3 Workbook Answer Key Chapter 10 Practice 5 Subtraction to score better marks in the exam.
Math in Focus Grade 3 Chapter 10 Practice 5 Answer Key Subtraction
Complete each number bond. Then subtract.
Example
Question 1.
So, $2.45 – $0.70 = $ ______________
Answer:
So, $2.45 – $0.70 = $1.75
Explanation:
To make $0.70 to the nearest integer we have to add required ¢ to the $0.70.
A number bond is a simple addition of two numbers that add up to give the sum. Add these two numbers 70¢ and 30¢ the sum is $1.
In place of $0.70 we have to use $1. Subtract $1 from $2.45 the difference is $1.45.
The 30¢ which are added to the given number $0.70 to make nearest integer are added to the above difference.
Add $1.45 with 30¢ the sum is $1.75.
Question 2.
So, $4.55 – $0.65 = $ ______________
Answer:
So, $4.55 – $0.65 = $3.90
Explanation:
To make $0.65 to the nearest integer we have to add required ¢ to the $0.65.
A number bond is a simple addition of two numbers that add up to give the sum. Add these two numbers 65¢ and 35¢ the sum is $1.
In place of $0.65 we have to use $1. Subtract $1 from $4.55 the difference is $3.55.
The 35¢ which are added to the given number $0.65 to make nearest integer are added to the above difference.
Add $3.55 with 35¢ the sum is $3.90.
Question 3.
So, $3.70 – $0.75 = $ ______________
Answer:
So, $3.70 – $0.75 = $2.95
Explanation:
To make $0.75 to the nearest integer we have to add required ¢ to the $0.75.
A number bond is a simple addition of two numbers that add up to give the sum. Add these two numbers 75¢ and 25¢ the sum is $1.
In place of $0.75 we have to use $1. Subtract $1 from $3.70 the difference is $2.70.
The 25¢ which are added to the given number $0.75 to make nearest integer are added to the above difference.
Add $2.70 with 25¢ the sum is $2.95.
Complete each number bond. Then subtract.
Example
Question 4.
So, $7.25 – $4.50 = $___________
Answer:
So, $7.25 – $4.50 = $2.75
Explanation:
To make $4.50 to the nearest integer we have to add required ¢ to the $4.50.
A number bond is a simple addition of two numbers that add up to give the sum. Add these two numbers $4.50 and 50¢ the sum is $5.
In place of $4.50 we have to use $5. Subtract $5 from $7.25 the difference is $2.25.
The 50¢ which are added to the given number $4.50 to make nearest integer are added to the above difference.
Add $2.25 with 50¢ the sum is $2.75.
Question 5.
So, $9.80 – $1.95 = $____________
Answer:
So, $9.80 – $1.95 = $7.85
Explanation:
To make $1.95 to the nearest integer we have to add required ¢ to the $1.95.
A number bond is a simple addition of two numbers that add up to give the sum. Add these two numbers $1.95 and 5¢ the sum is $2.
In place of $1.95 we have to use $2. Subtract $2 from $9.80 the difference is $7.80.
The 5¢ which are added to the given number $1.95 to make nearest integer are added to the above difference.
Add $7.80 with 5¢ the sum is $7.85.
Question 6.
So, $12.60 – $2.80 = $___________
Answer:
So, $12.60 – $2.80 = $9.80
Explanation:
To make $2.80 to the nearest integer we have to add required ¢ to the $2.80.
A number bond is a simple addition of two numbers that add up to give the sum. Add these two numbers $2.80 and 20¢ the sum is $3.
In place of $2.80 we have to use $3. Subtract $3 from $12.60 the difference is $9.60.
The 20¢ which are added to the given number $2.80 to make nearest integer are added to the above difference.
Add $9.60 with 20¢ the sum is $9.80.