180 Days of Math for Fifth Grade Day 45 Answers Key

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.
_____________________
Explanation:
we get the sum.
39 + 43 = 82

Question 2.
7 × 20 = _____
Explanation:
Multiply the numbers 7 and 20 to get the product.
7 x 20 = 140

Question 3.

Explanation:

Question 4.
8,000 + 600 + 7 = ___
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.
_____________________
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, _________
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
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?
______________
104 weeks
Explanation:
1 year = 52 weeks
2 years = 52 x 2
= 104 weeks

Question 9.
Draw all of the lines of symmetry.

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:

(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?
______________
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