By accessing our 180 Days of Math for Sixth Grade Answers Key Day 5 regularly, students can get better problem-solving skills.
180 Days of Math for Sixth Grade Answers Key Day 5
Directions Solve each problem.
Question 1.
_________
Answer:
20+12 = 32.
Explanation:
The addition of 20 and 12 is 20+12 = 32.
Question 2.
9 × 9 = _____
Answer:
9 × 9 = 81.
Explanation:
The multiplication of 9 by 9 is 9 × 9 = 81.
Question 3.
Answer:
35÷5 = 7.
Explanation:
By dividing 35 by 5 we will get 35÷5 = 7.
Question 4.
What is the numeral for fifteen?
_______________________
Answer:
XV.
Explanation:
The numeral of fifteen is XV.
Question 5.
\(\frac{1}{8}\) of 32 is ____
Answer:
4.
Explanation:
Given that \(\frac{1}{8}\) of 32 which is
= \(\frac{1}{8}\) × 32
= 4.
Question 6.
Find the missing number.
3,296; 3,286; ____; 3,266
Answer:
3,296; 3,286; 3,276; 3,266.
Explanation:
Here, the pattern follows countback off 10. So the missing digit 3,286-10 = 3,276. So the pattern is 3,296; 3,286; 3,276; 3,266.
Question 7.
140 ÷ 
= 10
Answer:
The missing digit is 14.
Explanation:
Let the missing digit be X, So 140÷X = 10
X = \(\frac{140}{10}\)
= 14.
Question 8.
Solve for x when x + 9 = 49. x = ______
Answer:
X = 40.
Explanation:
Given the expression is x + 9 = 49
X = 49 – 9
= 40.
Question 9.
Calculate the area of a square with 7 cm sides.
_________________
Answer:
14 cm sq.
Explanation:
The area of the square is 7×7
= 14 cm sq.
Question 10.
Use a protractor to measure the angle. Then identify it as either acute, reflex, obtuse, or straight.
Answer:
| Size | 120 degree |
| Name | Obtuse |
Question 11.
What is the mean of this set of data?
45, 31, 26,46
Answer:
The mean of the data set is 37.
Explanation:
The mean for this data set is \(\frac{45+31+26+46}{4}\)
= \(\frac{148}{4}\)
= 37.
Question 12.
A snail is climbing a brick wall that is 15 m high. It climbs up 3 m every day but slides down 1 m every night. How many days will it take to reach the top of the wall?
_______________________
Answer:
The number of days it will take is 7.5 days.
Explanation:
Given that a snail is climbing a brick wall that is 15 m high and it climbs up 3 m every day but slides down 1 m every night which means it was climbing 2m every day. So the number of days it will take is 15÷2 = 7.5 days.