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

**Directions Solve each problem.**

Question 1.

Answer: 59

Explanation:

Adding two or more addends,

we get the sum.

So, 16 + 43 = 59

Question 2.

4 Ã— 93 = ___

Answer: 372

Explanation:

When we multiply the numbers 4 and 93,

we get the product = 372

Question 3.

How many groups of 3 are in 36?

_____________________

Answer:

12 groups

Explanation:

\(\frac{36}{3}\)

=12

Question 4.

What is the next number after 1,095?

_____________________

Answer:

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.

_____________________

Answer:

\(\frac{33}{50}\)

Explanation:

Fraction of 66% is written as,

\(\frac{66}{100}\)

After simplifying we get, \(\frac{33}{50}\)

Question 6.

16 + 49 Ã· 7 = ___

Answer: 23

Explanation:

According to BODMAS rule,

first division and then addition.

The given equation is combined operation

16 + 49 Ã· 7

= 16 + 7

= 23

Question 7.

35 – = 27

_____________________

Answer: 8

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.

_____________________

Answer:

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?

_____________________

Answer:

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 0Â° to less then 90Â° is acute angle.

If the angle is 0Â° to more then 90Â° and less then 180Â° is obtuse angle.

If the angle is 90Â° 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?

_____________________

Answer: 7

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?

_____________________

Answer:

\(\frac{1}{15}\) 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 |

Answer:

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,Â 2 x 5 = 10,Â 2 x 7 = 14,Â 2 x 9 = 18

factors of 3 are: 3 x 8 = 24,Â 3 x 5 = 15,Â 3 x 7 = 21,Â 3x 9 = 27

factors of 4 are: 4 x 8 = 32,Â 4 x 5 = 20,Â 4 x 7 = 28,Â 4 x 9 = 36

factors of 5 are: 5 x 8 = 40,Â 5 x 5 = 25,Â 5 x 7 = 35,Â 5 x 9 = 45