# 180 Days of Math for Sixth Grade Day 30 Answers Key

By accessing our 180 Days of Math for Sixth Grade Answers Key Day 30 regularly, students can get better problem-solving skills.

## 180 Days of Math for Sixth Grade Answers Key Day 30

Directions Solve each problem.

Question 1.
64 + 27 = ____
64 + 27 = 91.

Explanation:
By adding 64 and 27 we will get 64 + 27 = 91.

Question 2.
5 × 3 = ___
5 × 3 = 15.

Explanation:
By multiplying 5 and 3 are 5 × 3 = 15.

Question 3.
36 ÷ -4 = ____
36 ÷ -4 = -9.

Explanation:
The division of 36 by -4 is 36 ÷ -4 = -9.

Question 4.
How many digits are in 67,392?
_______________________
5 digits.

Explanation:
The number of digits in the number 67,392 is 5 digits.

Question 5.
Is 3$$\frac{3}{4}$$ greater than, less than, or equal to $$\frac{14}{4}$$?
3$$\frac{3}{4}$$ greater than $$\frac{14}{4}$$.

Explanation:
3$$\frac{3}{4}$$ greater than $$\frac{14}{4}$$. As 3$$\frac{3}{4}$$ is $$\frac{15}{4}$$.

Question 6.
(20 – 8)2 = ____
(20 – 8)2 = 144.

Explanation:
Given that (20 – 8)2 which is (12)2
= 144.

Question 7.
Findx. 1.3 ÷ x = 3.8 x = ____
x = 0.342.

Explanation:
Given the expression is 1.3 ÷ x = 3.8,
x = 1.3 ÷ 3.8
= 0.342.

Question 8.

The missing digit is 6.

Explanation:
Let the missing digit be X, so the expression will be $$\frac{1}{X}$$ of 18 is 3.
$$\frac{1}{X}$$ × 18 = 3,
18 = 3 × X,
X = $$\frac{18}{3}$$
= 6.

Question 9.
How many days are in the month of December?
_______________________
31 days.

Explanation:
There are 31 days in the month of December.

Question 10.
Circle the obtuse angle measurement.
48° 169° 295°
169° is the obtuse angle measurement.

Explanation:
169° is the obtuse angle measurement. As the obtuse angle is from 90° to 180°.

Question 11.
A box of a dozen donuts contains 5 chocolate donuts, 4 sprinkled donuts, 2 lemon donuts, and 1 raspberry-filled donut. If you reach in and grab a donut, what is the probability that it will be a lemon donut?
________________________
The probability of picking lemon donuts is $$\frac{2}{12}$$.

Explanation:
Given that a box of a dozen donuts contains 5 chocolate donuts, 4 sprinkled donuts, 2 lemon donuts, and 1 raspberry-filled donut. The total donuts are 5+4+2+1 = 12 donuts. So the probability of picking lemon donuts is $$\frac{2}{12}$$.

Question 12.
Haru needs to be at school at 8:15. If it takes him 20 minutes to walk to school, 15 minutes to eat breakfast, and 12 minutes to get dressed and brush his hair, what time should he get up?
_______________________