By accessing our 180 Days of Math for Sixth Grade Answers Key Day 19 regularly, students can get better problem-solving skills.
180 Days of Math for Sixth Grade Answers Key Day 19
Directions Solve each problem.
Question 1.
95 + (-68) = ___
Answer:
95 + (-68) = 27.
Explanation:
Here, we will use the BODMAS rule and remove brackets. The expression will be
95 – 68 = 27.
Question 2.
9 × 4 = _____
Answer:
9 × 4 = 36.
Explanation:
The multiplication of 9 × 4 is 36.
Question 3.
Divide 72 by 9.
______________
Answer:
72 ÷ 9 = 8.
Explanation:
The division of 72 by 9 is
72÷9 = 8.
Question 4.
Is 72 evenly divisible by 4?
____________
Answer:
Yes.
Explanation:
Yes, 72 evenly divisible by 4. As 72÷4 is 18.
Question 5.
Write 0.45 as a percentage.
____________
Answer:
\(\frac{45}{100}\).
Explanation:
The percentage of 0.45 is \(\frac{45}{100}\).
Question 6.
225 ÷ 9 ÷ 5 = ____
Answer:
225 ÷ 9 ÷ 5 = 5.
Explanation:
Here, we will break the expression into parts and we will solve them.
= (225 ÷ 9) ÷ 5
= 25 ÷ 5
= 5.
Question 7.
Find b.
\(\frac{b}{4}\) = 7.25
b = ___
Answer:
b = 29.
Explanation:
Given that \(\frac{b}{4}\) = 7.25
b = 7.25 × 4
= 29.
Question 8.
\(\frac{1}{6}\) of 
= 5
Answer:
The missing digit is 30.
Explanation:
Let the missing digit be X, so the expression will be
\(\frac{1}{6}\) × X = 5
X = 5 × 6
= 30.
Question 9.
How many millimeters are in 7.5 centimeters?
_______________________
Answer:
75 millimeters.
Explanation:
As 1 centimeter is 10 millimeters, so 7.5 centimeters will be 7.5×10 which is 75 millimeters.
Question 10.
Do parallel lines meet at a 30° angle?
____________
Answer:
No.
Explanation:
No, parallel lines do not meet at a 30° angle. Because parallels do not meet at all.
Question 11.
In a game, the probability of the spinner landing on a 2 is 1:3. How many times would you expect to land on a 2 if you spin the spinner 6 times?
_______________________
Answer:
Explanation:
Given that the probability of the spinner landing on a 2 is 1:3.
If the spinner lands on 2 then you can expect spinner 6 times.
6 × 1 = 6
6 × 3 = 18
So, you can expect 18 times.
Question 12.
An explorer walked 1 km west, 3 km south, 5 km west, 4 km north, 3 km east, 2 km north, 6 km west, and 4 km south to reach point D. At which point did he begin?
______________________
Answer:
The explorer starts at point B to reach point D.
Explanation:
The explorer starts at point B to reach point D.
