By accessing our 180 Days of Math for Sixth Grade Answers Key Day 69 regularly, students can get better problem-solving skills.
180 Days of Math for Sixth Grade Answers Key Day 69
Directions Solve each problem.
Question 1.
Answer:
Question 2.
147 × 10 = __
Answer: 1740
Question 3.
369 ÷ 3 = ______
Answer: 123
Question 4.
List the first three multiples of 5.
_______________________
Answer: The three multiples of 5 are 5, 10, 15.
Question 5.
Write 6 ones + 6 tenths + 9 hundredths as a decimal.
_______________________
Answer: 6 + 0.6 + 0.09 = 6.69
Question 6.
5 (10 – 8) = ______
Answer:
5 (10 – 8)
5 (2) = 10
Question 7.
5.6 + = 8.5
Answer:
Let the missing value be x
5.6 + x = 8.5
x = 8.5 – 5.6
x = 2.9
So, 5.6 + 2.9 = 8.5
Question 8.
Find j. j + 8 = 21
j = ___
Answer:
Given,
j + 8 = 21
j = 21 – 8
j = 13
Question 9.
Calculate the perimeter of a rectangle that is 6 m by 7 m.
______________
Answer:
L = 6 m
B = 7 m
We know that,
Perimeter of a rectangle = 2 (L + B)
P = 2(6 + 7)
P = 2 (13)
P = 26 meters
Thus the perimeter of a rectangle is 26 meters.
Question 10.
Are all quadrilaterals rectangles?
______________
Answer: No all quadrilaterals are not rectangles.
Question 11.
One quarter of Mindy’s cookies were chocolate chip. How many were not chocolate chips?
Answer:
Mindy’s cookies = 5 dozens = 5 × 12 = 60 cookies
60 × 1/4 = 15 cookies
So, 15 cookies we not chocolate chip.
Question 12.
Eight people were at a party. If each person shook hands with every other person, how many handshakes were there?
____________________
Answer:
Given,
Eight people were at a party.
8 × 7 = 56
There are 56 shakehands.