# 180 Days of Math for Sixth Grade Day 91 Answers Key

By accessing our 180 Days of Math for Sixth Grade Answers Key Day 91 regularly, students can get better problem-solving skills.

## 180 Days of Math for Sixth Grade Answers Key Day 91

Directions: Solve each problem.

Question 1.
96 – 67 = __________

Question 2.
-46 × 5 = ____________
– × + = –
-46 × 5 = -230

Question 3.
How many groups of 6 are in 24?
6 × 4 = 24
6 + 6 + 6 + 6 = 24
Thus there are four groups of 6 in 24.

Question 4.
How many ten thousands are in 158,407?

Question 5.
$$\frac{7}{8}$$ – $$\frac{3}{8}$$ = ____________
Given,
$$\frac{7}{8}$$ – $$\frac{3}{8}$$
The denominators of both the fractions are same so subtract the numerators.
$$\frac{7}{8}$$ – $$\frac{3}{8}$$ = $$\frac{7-3}{8}$$ = $$\frac{4}{8}$$ = $$\frac{1}{2}$$

Question 6.
-5 × 3 + 7 × 2 + 10 = ___________
-5 × 3 + 7 × 2 + 10
(-5 × 3) + (7 × 2) + 10
= -15 + 14 + 10
= -1 + 10 = 9

Question 7.
× 7 = 63
Let the unknown value be p
p × 7 = 63
p = 63/7
p = 9

Question 8.
Find a.
5a = -35
a = ____________
Given,
5a = -35
a = -35/5
a = -7

Question 9.
How many minutes are there from 12 minutes to 7:00 until 23 minutes past 7:00?
12 minutes to 7:00 would be 6:48
23 minutes past 7:00 would be 7:23
So, there are 35 minutes from 6:48 to 7:23

Question 10.
What is the area of a rectangle that measures 3 cm by 10 cm?
The measures of the rectangle is 3 cm by 10 cm.
We know that,
Area of a rectangle = l × b
A = 3 × 10
A = 30 sq. cm

Question 11.
On which day were there 1,400 vehicles?