By accessing our 180 Days of Math for Sixth Grade Answers Key Day 169 regularly, students can get better problemsolving skills.
180 Days of Math for Sixth Grade Answers Key Day 169
Directions: Solve each problem.
Question 1.
Subtract 135 from 382.
Answer:
382 – 135 = 247
Explanation:
Perform subtraction operation on above two given numbers. Subtract 135 from 382 the difference is 247.
Question 2.
Answer:
Explanation:
Perform multiplication operation on above two numbers. Multiply 40 with 64 the product is 2,560.
Question 3.
167 ÷ 6 = ___________
Answer:
167 ÷ 6 = 27.84
Explanation:
Perform division operation on above two numbers. Divide 167 by 6 the quotient is 27.84.
Question 4.
List the first four multiples of 10.
Answer:
The first four multiples of 10 are 10, 20, 30, and 40.
10 × 1 = 10
10 × 2 = 20
10 × 3 = 30
10 × 4 = 40
Question 5.
Is \(\frac{9}{10}\) equal to \(\frac{7}{8}\)?
Circle:
yes
no
Answer:
\(\frac{9}{10}\) = 0.9
\(\frac{7}{8}\) = 0.875
\(\frac{9}{10}\) not equal to \(\frac{7}{8}\).
So, draw a circle for ‘no’.
Question 6.
Insert parentheses to make the equation true.
48 ÷ 4 + 8 – 6 × 2 = 8
Answer:
48 ÷ (4 + 8) – 6 × 2
= 48 ÷ 12 – 6 × 2
= 4 – 6 × 2
= 4 12
= 8
Explanation:
The given expression is 48 ÷ 4 + 8 – 6 × 2 = 8. To make the equation true we have to insert parentheses. Insert parentheses for the sum 4 + 8. Now the expression is 48 ÷ (4 + 8) – 6 × 2
Question 7.
5 × 6 + = 50
Answer:
5 × 6 + = 50
Explanation:
To get the sum 50 on right side. We need to add some value to the expression on left side. Multiply 5 with 6 the product is 30. Add 20 to 30 the sum is 50. The missing addend is 20.
Question 8.
Find e.
10.8 – e = 5.4
e = __________
Answer:
10.8 – e = 5.4
10.8 – 5.4 = e
5.4 = e
Explanation:
To calculate e value we have to perform subtraction operation on given equation. Subtract 5.4 from 10.8 the difference is 5.4. The value of e is equal to 5.4.
Question 9.
How many liters are in 8,450 milliliters?
Answer:
1 liter = 1000 milliliters
1 milliliter = 0.001 liters
Multiply 8,450 milliliters with 0.001 liters
8,450 x 0.001 liters = 8.45 liters
There are 8.45 liters in 8,450 milliliters.
Question 10.
Are opposite sides of a parallelogram always equal in length?
Answer:
Yes, opposite sides of a parallelogram are always equal in length.
Explanation:
In a parallelogram the opposite sides of a parallelogram are equal in length and the opposite angles are equal in measure.
Question 11.
Molly gave half of her cookies to her neighbor. How many cookies did she give away?
Answer:
In the above table we can observe Molly have 5 dozens of cookies.
1 dozen = 12 cookies
5 dozens of cookies = 5 x 12 cookies = 60 cookies
Molly have total 60 cookies.
Molly gave half of her cookies to her neighbor.
60/2 = 30 cookies
She gave 30 cookies to her neighbors.
Question 12.
Compare a decagonal pyramid with a decagonal prism.
Faces 
Edges 
Vertices 

Decagonal Pyramid  11  20  11 
Decagonal Prism  12  30  20 
Answer:
A decagonal pyramid have 11 faces, 20 edges and 11 vertices.
A decagonal prism have 12 faces, 30 edges and 20 vertices.