# 180 Days of Math for Fifth Grade Day 87 Answers Key

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## 180 Days of Math for Fifth Grade Answers Key Day 87

Directions Solve each problem.

Question 1.

Explanation:
we get the sum.
So, 16 + 43 = 59

Question 2.
4 × 93 = ___
Explanation:
When we multiply the numbers 4 and 93,
we get the product = 372

Question 3.
How many groups of 3 are in 36?
_____________________
12 groups
Explanation:
$$\frac{36}{3}$$
=12

Question 4.
What is the next number after 1,095?
_____________________
1,096
Explanation:
The next number after 1,095 is 1,096
After means Successor of the given number.

Question 5.
Write 66% as a fraction.
_____________________
$$\frac{33}{50}$$
Explanation:
Fraction of 66% is written as,
$$\frac{66}{100}$$
After simplifying we get, $$\frac{33}{50}$$

Question 6.
16 + 49 ÷ 7 = ___
Explanation:
According to BODMAS rule,
The given equation is combined operation
16 + 49 ÷ 7
= 16 + 7
= 23

Question 7.
35 – = 27
_____________________
Explanation:
35 – = 27
Let the unknown number be x
35 – x = 27
x = 35 – 27
x = 8

Question 8.
Calculate the perimeter of a rectangle that is 5 m by 3 m.
_____________________
16m
Explanation:
perimeter of a rectangle = 2(Length + width)
Perimeter = 2(5 + 3 )
= 2 x 8
= 16 m

Question 9.
Are the angles on a rectangle right, acute, or obtuse?
_____________________
Yes, the angles on a rectangle right, acute, or obtuse
Explanation:
The angles on a rectangle right, acute, or obtuse depends on the angle between the two sides.
If the angle is 0° to less then 90° is acute angle.
If the angle is 0° to more then 90° and less then 180° is obtuse angle.
If the angle is 90° then it is right angle.

Question 10.
Fish Caught

 Juan Maggi Max Erik Aliki Tia Jarome 7 4 5 7 11 4 7

What is the mode?
_____________________
Explanation:
The mode is the most frequently occurring value on the list.
Arrange the given numbers in the ascending order first, as shown below.
7, 4, 5, 7, 11, 4, 7
4, 4, 5, 7, 7, 7, 11
7 is the most frequent occurring number.

Question 11.
A scout leader is going to pair a new member with one of the existing 15 troop members. Five of the boys love to go camping, ten like to fish, three enjoy archery, twelve like to go hiking, and one boy enjoys carving What is the probability the new boy will be paired with a boy who enjoys carving?
_____________________
$$\frac{1}{15}$$ or 0.06
Explanation:
Event (E) = number of students enjoys carving
n(E) = 1
Total number of students = 15
probability of new boy will be paired with a boy who enjoys carving
= $$\frac{1}{15}$$ or 0.06

Question 12.
Complete the multiplication table.

 x 8 7 2 18 3 15 28 40

Explanation:
Multiplication is the process of calculating product of two or more numbers.
Based on the given numbers in the above table, multiplication follows as
factors of 2 are: 2 x 8 = 16,  2 x 5 = 10,  2 x 7 = 14,  2 x 9 = 18
factors of 3 are: 3 x 8 = 24,  3 x 5 = 15,  3 x 7 = 21,  3x 9 = 27
factors of 4 are: 4 x 8 = 32,  4 x 5 = 20,  4 x 7 = 28,  4 x 9 = 36
factors of 5 are: 5 x 8 = 40,  5 x 5 = 25,  5 x 7 = 35,  5 x 9 = 45

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