# 180 Days of Math for Sixth Grade Day 75 Answers Key

By accessing our 180 Days of Math for Sixth Grade Answers Key Day 75 regularly, students can get better problem-solving skills.

## 180 Days of Math for Sixth Grade Answers Key Day 75

Directions Solve each problem.

Question 1.
-6 + 2 = ___
Let us consider the numbers without signs
-(-6 + 2) = 6 – 2 = 4
The greater number has negative sign so the result will be negative.
So, -6 + 2 = -4

Question 2.
102 × 4 = ____ By multiplying 102 by 4 we get 408.

Question 3.  The quotient is 72 and the remainder is 0.

Question 4.
What is the even number after 699?
_______________________
Answer: The even number after 699 is 700.

Question 5.
$$\frac{8}{9}$$ – $$\frac{4}{9}$$ = ____
$$\frac{8}{9}$$ – $$\frac{4}{9}$$
The denominators of both the fractions are same.
So, we can subtract the numerators.
$$\frac{8}{9}$$ – $$\frac{4}{9}$$ = $$\frac{8-4}{9}$$ = $$\frac{4}{9}$$

Question 6.
11 + 38 + (-12) = _____
11 + 38 + (-12) = 11 + 38 – 12
= 49 – 12
= 37

Question 7.
6 + 6 + 6 + 6 = 4 × 6 + 6 + 6 + 6 = 24
24 = 4 × x
x = 24/4
x = 6
6 + 6 + 6 + 6 = 4 × 6

Question 8.
Write the expression for the quotient when a is divided by b.
_______________________

Question 9.
Calculate the area of a rectangle that is 8 m by 9 m.
_______________________
Given
L = 8 m
W = 9 m
We know that,
Area of a rectangle = l × w
A = 8 × 9
A = 72 sq. meters

Question 10.
Is 75° an acute or an obtuse angle?
_______________________
Answer: 75° is an acute angle because it is less than 90 degrees.

Question 11.
What is the median of this set of data?
61, 70, 63, 65, 71, 82
_______________________
61, 63, 65, 70, 71, 82
Median = (65+70)/2
= 135/2 = 67.5

Question 12.
Complete the magic square so each row, column, and diagonal adds up to the same number. Use each number 3 – 11 only once.

 3 8 7 6