# 180 Days of Math for Sixth Grade Day 115 Answers Key

By accessing our 180 Days of Math for Sixth Grade Answers Key Day 115 regularly, students can get better problem-solving skills.

## 180 Days of Math for Sixth Grade Answers Key Day 115

Directions: Solve each problem.

Question 1.
Find the sum of 38 and 46.
38 + 46 = 84

Question 2.
-5 â€¢ 65 = __________
– Ã— + = +
-5 Ã— 65 = -325

Question 3.
462 Ã· 10 = _________
Answer: 462 Ã· 10 = 46.2

Question 4.
What is the next prime number after 7?
Answer: The next prime number after 7 is 11.

Question 5.
Is $$\frac{4}{10}$$ + $$\frac{6}{100}$$ equal to 0.045?
$$\frac{4}{10}$$ can be written as 0.4
$$\frac{6}{100}$$ can be written as 0.06
0.4 + 0.06 = 0.46
So, $$\frac{4}{10}$$ + $$\frac{6}{100}$$ is not equal to 0.045.

Question 6.
15 + 7 Ã— 5 – 4 = __________
15 + (7 Ã— 5) – 4
15 + 35 – 4
15 + 31 = 46

Question 7.
10% of is 9.
10 % Ã— x = 9
10/100 Ã— x = 9
10 Ã— x = 9 Ã— 100
10x = 900
x = 900/10
x = 90

Question 8.
Find m.
25 – m = 25.5
m = ___________
25 – m = 25.5
25 – 25.5 = m
m = -0.5

Question 9.
What is the area of a square with 7-cm sides?
Side of the square = 7 cm
We know that,
Area of a square = s Ã— s
A = 7 Ã— 7
A = 49 sq.cm

Question 10.
Use a protractor to measure the angle. Then identify it as either acute, reflex, obtuse, or straight.

Reflex angle with 270 degrees

Question 11.
Mistyâ€™s mom told her she can participate in two sports this fall. She can choose from soccer, basketball, swimming, and tennis. List all the possible combinations of sports she can choose.