By accessing our **180 Days of Math for Fifth Grade Answers Key Day 69 **regularly, students can get better problem-solving skills.

## 180 Days of Math for Fifth Grade Answers Key Day 69

**Directions Solve each problem.**

Question 1.

33 + 48 = ____

Answer: 81

Explanation:

When we add two or more addends,

we get the sum 33 + 48 = 81

Question 2.

List the first four multiples of 6.

_____________________

Answer:

6, 12, 18 and 24

Explanation:

The multiplies of 6 are the numbers that obtain

when 6 is multiplied by any natural number.

So, the first four multiplies are 6, 12, 18, and 24.

Question 3.

150 Ã· 10 = ____

Answer:15

Explanation:

Question 4.

Write the largest numeral possible using the digits 6, 4, and 8.

_____________________

Answer:

864

Explanation:

to write a largest number for the given numbers,

first arrange all the numbers in descending order.

largest number to smallest number 864

Question 5.

What is half of $4.80? ______

Answer:

$2.40

Explanation:

half of $4.80

4.80 Ã· 2 = 2.40

Question 6.

1 â€¢ 6 + 2 â€¢ 3 = ___

Answer: 12

Explanation:

1 â€¢ 6 + 2 â€¢ 3 is a combined operation.

first multiply 1 x 6 = 6; 2 x 3 = 6

Dot in the equation represents multiplication.

6 + 6 = 12

Question 7.

+ 27 = 96

Answer: 69

Explanation:

Let the unknown number be x

x + 27 = 96

x = 96 -27

x = 69

Question 8.

Calculate the area of a rectangle that is 5 m by 4 m.

_____________________

Answer:

20 meter square

Explanation:

Area of rectangle = length x width

length = 5m; width = 4m

A = 5 x 4 = 20msq

Question 9.

True or false? An acute angle is greater than 180Â°.

_____________________

Answer:

False

Explanation:

An acute angle is less than 180Â°.

Question 10.

Create a circle graph based on the tally chart below.

Answer:

Explanation:

Tommy is having equal amount of quarters and dimes in his bank.

At the same time he is having the dimes equal to quarters and nickels.

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 loves hiking?

_____________________

Answer:

4 out of 5 or 80%

Explanation:

Total troop members = 15

5 of the boys love to go camping,

10 like to fishing,

3 enjoy archery,

12 like to go hiking,

1 boy enjoys carving.

probability of the new boy when paired with a boy who loves hiking

= \(\frac{12}{15}\)

= \(\frac{4}{5}\) = 0.8 or 80%

Question 12.

In magic squares, each row, column, and diagonal adds up to the same number. Complete the magic square using the numbers 3 – 11 only once.

10 |
||

3 | 7 |
11 |

Answer:

10 |
5 | 6 |

3 | 7 |
11 |

Â Â Â Â Â Â Â Â Â Â Â Â Â 8 | Â Â Â Â Â Â Â Â Â Â Â Â Â 9 | Â Â Â Â Â Â Â Â Â Â Â Â Â 4 |

Explanation:

In magic squares, each row, column, and diagonal adds up to the same number,

using the numbers 3 – 11 only once.

when we add each column we get 21

10 + 5 + 6 = 21

3 + 7 + 11 = 21

8 + 9 + 4 = 21

when we add each row we get 21

10 + 3 + 8 = 21

5 + 7 +9 = 21

6 + 11 + 4 = 21

when we add each diagonals we get 21

8 + 7 + 6 = 21

10 + 7 + 4 = 21