By accessing our 180 Days of Math for Fifth Grade Answers Key Day 45 regularly, students can get better problem-solving skills.
180 Days of Math for Fifth Grade Answers Key Day 45
Directions Solve each problem.
Question 1.
Calculate the sum of 39 and 43.
_____________________
Answer: 82
Explanation:
Adding two or more addends,
we get the sum.
39 + 43 = 82
Question 2.
7 × 20 = _____
Answer: 140
Explanation:
Multiply the numbers 7 and 20 to get the product.
7 x 20 = 140
Question 3.
Answer: 8
Explanation:
Question 4.
8,000 + 600 + 7 = ___
Answer:
8,607
Explanation:
Arrange the given numbers according to their place value,
then add all the addends to get the sum.
Question 5.
Write 0.36 as a percentage.
_____________________
Answer:
36%
Explanation:
convert 0.36 as percentage,
multiply with 100.
0.36 x 100 = 36
Question 6.
Write the number that comes next in the sequence.
95, 85, 75, _________
Answer: 65
Explanation:
The given sequence follows n – 10 rule
95, 85, 75,
n = given number
last number is 75
so, 75 – 10 = 65
Question 7.
30 – 
= 3 × 5
Answer: 15
Explanation:
Let the unknown number be x
30 – x = 3 x 5
30x = 15
x = 30 – 15
x = 15
Question 8.
How many weeks are in 2 years?
______________
Answer:
104 weeks
Explanation:
1 year = 52 weeks
2 years = 52 x 2
= 104 weeks
Question 9.
Draw all of the lines of symmetry.
Answer:
Explanation:
Line Symmetry is a line that divides an object into two or more equal halves.
The above drawing has 4 line symmetries.
Question 10.
Write the coordinates of: 
Answer:
(E, 4)
Explanation:
(E, E)
first lets check the letters
letter = E
then check the number given
number = 4
now check the fourth intersection upwards from C
Question 11.
If you flip a coin 6 times, how many times would you expect the coin to land with tails up?
______________
Answer:
6 times
Explanation:
Every time we flip a coin there is a 50% of chance of getting tails.
So, we can expect tails every time when we flip a coin.
Question 12.
Tony has $3.00. What can he buy?
______________
______________
Answer:
Tony can buy Exercise Book and Note Book
Explanation:
Cost of Atlas book is $6
Cost of Exercise Book is $1.40
Cost of Note book is $1.50
Tony has $3.00, so he cannot buy Atlas
Exercise Book is $1.40 + Note book is $1.50 = $2.90
Tony can buy Exercise Book and Note Book