# 180 Days of Math for Fifth Grade Day 139 Answers Key

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## 180 Days of Math for Fifth Grade Answers Key Day 139

Directions: Solve each problem.

Question 1.
69 + 90 = __________
159

Explanation:

Question 2.
Complete.
7 × 9 = __________
7 × 90 = __________
7 × 900 = __________
63
630
6300

Question 3.
749 ÷ 4 = __________
187.25

Question 4.
Write the numeral for twenty-six thousand nine.
26,009

Explanation:
The numeral for twenty-six thousand nine is 26,009.

Question 5.
Write 82% as a decimal.
0.82

Explanation:
$$\frac{82}{100}$$
0.82

Question 6.
20 × 6 + 20 ÷ 4 = ____________
125

Explanation:
20 × 6 + 20 ÷ 4
20 × 6 + 5
120 + 5
125

Question 7. 27

Explanation:
Here we need to calculate the empty box given.
Let us assume the empty box is X.
56 + X = 83
X = 83 – 56
X = 27

Question 8.
_________ cm = 35 mm
3.5 cm

Explanation:
1 mm = 0.1 cm
Now we need to calculate 35 mm to cm
So 35 mm is 3.5 cm.

Question 9.
Use a Protractor to measure the angle. 75°

Explanation:
The measure of the angle by using a Protractor is 75°.

Question 10.
Fish Caught

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

What is the median number of fish caught?
The median number of fish caught is 7.

Explanation:
The Median is the middle value of a given sorted list of numbers.
To find the Median of a given number, place the numbers in value order and find the middle value.
The given numbers as an odd number of values.
Now arrange the numbers in ascending order.
After arranging them into order
4    4   5    7    7    7   11
Now we need to find the median of fish caught.
The middle number is 7 so the median number of fish caught is 7

Question 11.
You have a bag of 12 marbles. Six of the marbles are blue, two are green, three are yellow, and one is red. If you reach into the bag and grab one marble, what is the probability that it will not be blue?
$$\frac{1}{2}$$

Explanation:
Blue = 6 , Green = 2, Yellow = 3, Red =1
Grab one marble
hence the probability that it will not be blue is $$\frac{6}{12}$$
$$\frac{1}{2}$$.

Question 12.
Complete the input/output table. Look for a pattern and write the rule.

 Input 45 50 55 60 65 70 Output 18 23 28 33 38 43