Practice the problems of Math in Focus Grade 3 Workbook Answer Key Chapter 10 Practice 1 Addition to score better marks in the exam.
Math in Focus Grade 3 Chapter 10 Practice 1 Answer Key Addition
Add mentally.
Question 1.
$7.30 + $2.00 = $__________
Answer:
$7.30 + $2.00 = $9.30
Explanation:
Perform addition operation on above two numbers. Add $7.30 with $2.00 the sum is $9.30.
Question 2.
$37.20 + $0.45 = $__________
Answer:
$37.20 + $0.45 = $37.65
Explanation:
Perform addition operation on above two numbers. Add $37.20 with $0.45 the sum is $37.65.
Question 3.
$5.20 + $12.65 = $__________
Answer:
$5.20 + $12.65 = $17.85
Explanation:
Perform addition operation on above two numbers. Add $5.20 with $12.65 the sum is $17.85.
Question 4.
$51.20 + $14.80 = $__________
Answer:
$51.20 + $14.80 = $66.00
Explanation:
Perform addition operation on above two numbers. Add $51.20 with $14.80 the sum is $66.00.
Question 5.
$0.95 + $9.35 = $__________
Answer:
$0.95 + $9.35 = $10.30
Explanation:
Perform addition operation on above two numbers. Add $0.95 with $9.35 the sum is $10.30.
Question 6.
$4.35 + $64.85 = $__________
Answer:
$4.35 + $64.85 = $69.20
Explanation:
Perform addition operation on above two numbers. Add $4.35 with $64.85 the sum is $69.20.
Question 7.
$31.65 + $3.90 = $__________
Answer:
$31.65 + $3.90 = $35.55
Explanation:
Perform addition operation on above two numbers. Add $31.65 with $3.90 the sum is $35.55.
Question 8.
$5.45 + $0.75 = $__________
Answer:
$5.45 + $0.75 = $6.20
Explanation:
Perform addition operation on above two numbers. Add $5.45 with $0.75 the sum is $6.20.
Find each missing amount.
Question 9.
$26 + $72 = $__________
40¢ + 50¢ = __________¢
$__________ + __________¢ = $__________
Answer:
$26 + $72 = $98
40¢ + 50¢ = 90¢
$98 + 90¢ = $98.90
Explanation:
In the above image we can observe before the decimal point the number is represented with $ and after the decimal point the number is represented with ¢. The total sum is represented with $.
Add before the decimal point numbers.
$26 + $72 = $98
Add after the decimal point numbers.
40¢ + 50¢ = 90¢
Add before and after decimal point numbers.
$98 + 90¢ = $98.90
Question 10.
$__________ + $__________ = $__________
__________¢ + __________¢ = __________¢
$__________ + __________¢ = $ __________
Answer:
$51 + $4= $55
25¢ +20¢ = 45¢
$55 + 45¢ = $ 55.45
Explanation:
In the above image we can observe before the decimal point the number is represented with $ and after the decimal point the number is represented with ¢. The total sum is represented with $.
Add before the decimal point numbers.
$51 + $4= $55
Add after the decimal point numbers.
25¢ +20¢ = 45¢
Add before and after decimal point numbers.
$55 + 45¢ = $ 55.45
Find each missing amount.
Question 11.
$__________ + $__________ = $__________
__________¢ + __________¢ = __________¢
$__________ + __________¢ = $ __________
Answer:
$6 + $18 = $24
5¢ + 20¢ = 25¢
$24 + 25¢ = $ 24.25
Explanation:
In the above image we can observe before the decimal point the number is represented with $ and after the decimal point the number is represented with ¢. The total sum is represented with $.
Add before the decimal point numbers.
$6 + $18 = $24
Add after the decimal point numbers.
5¢ + 20¢ = 25¢
Add before and after decimal point numbers.
$24 + 25¢ = $ 24.25
Question 12.
$__________ + $__________ = $__________
__________¢ + __________¢ = __________¢
$__________ + __________¢ = $ __________
Answer:
$60 + $17 = $77
5¢ + 70¢ = 75¢
$77 + 75¢ = $ 77.75
Explanation:
In the above image we can observe before the decimal point the number is represented with $ and after the decimal point the number is represented with ¢. The total sum is represented with $.
Add before the decimal point numbers.
$60 + $17 = $77
Add after the decimal point numbers.
5¢ + 70¢ = 75¢
Add before and after decimal point numbers.
$77 + 75¢ = $ 77.75
Use the items and prices in the picture to answer each exercise.
What is the cost of
Question 13.
a carton of milk and a head of broccoli? $ __________
Answer:
A carton of milk cost is $2.70.
A head of broccoli cost is $2.30
$2.70 + $2.30 = $ 5
The cost of both carton of milk and a head of broccoli are $5.
Question 14.
a bunch of grapes and a packet of whole meal biscuits? $__________
Answer:
A bunch of grapes cost is $12.95.
A packet of whole meal biscuits is $3.05.
$12.95 + $3.05 = $16
The cost of both bunch of grapes and a packet of whole meal biscuits are $16.
Question 15.
a cucumber and a head of cabbage? $__________
Answer:
A cucumber cost is $0.85
A head of cabbage cost is $1.15.
$0.85 + $1.15 = $2
The cost of both cucumber and a head of cabbage are $2.
Question 16.
a pack of cheese and a box of oranges? $__________
Answer:
A pack of cheese cost is $3.55.
A box of oranges cost is $9.45.
$3.55 + $9.45 = $13
The cost of both pack of cheese and a box of oranges are $13.