# 180 Days of Math for Third Grade Day 85 Answers Key

By accessing our 180 Days of Math for Third Grade Answers Key Day 85 regularly, students can get better problem-solving skills.

## 180 Days of Math for Third Grade Answers Key Day 85

Directions Solve each problem.

Question 1.  Explanation:
Working each column from right to left
8 is greater than 4 so you must regroup:
Take 1 from 6, so 6 becomes 5.
Add 10 to 4, so 4 becomes 14.

Question 2.
3 × 7 = 21
Explanation:
3 x 7 = 21
The product of 3 and 7 is 21
7 x 3 = 21

Question 3.
Draw 5 groups of 7 hats. How many hats are there?
__________________
35
Explanation:
5 x 7 = 35 Question 4.  Explanation:
4 x 6 = 24
We have the equation:
24 ÷ 6 = 4
division and multiplication are inversely proportional.

Question 5.
3 tens = ____
30
Explanation:
3 tens = 30
3 x 10 = 30
three times ten equals to thirty.

Question 6. × 2 = 18
9
Explanation:
9 x 2 = 18
18  ÷  2 = 9
Multiplication and division are inversely proportional.

Question 7.
Write in order from heaviest to lightest: chair, book, desk.
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Desk, Chair and book
Explanation:
Desk will be heavier than desk and book
then after it comes to chair
chair is heavier than book

Question 8.
What is the volume?
________cubic units 5 cubic units
Explanation:
1 cubic unit is the amount of space that a unit cube occupies.
Volume of the cube is number of cubes
so, 5 cubic units.

Question 9.
How many edges does the solid have?
__________________ 2 edges.
Explanation:
A cylinder has 2 edges.
A cylinder has 2 faces and 1 curved surface

Question 10.
If you can read 20 pages in half an hour, how many pages can you read in 2 hours?
__________________