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.
Answer:
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 = 
Answer:
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?
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Answer:
35
Explanation:
5 x 7 = 35
Question 4.
Answer:
Explanation:
4 x 6 = 24
We have the equation:
24 ÷ 6 = 4
division and multiplication are inversely proportional.
Question 5.
3 tens = ____
Answer:
30
Explanation:
3 tens = 30
3 x 10 = 30
three times ten equals to thirty.
Question 6.
× 2 = 18
Answer:
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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Answer:
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
Answer:
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?
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Answer:
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?
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Answer:
80 pages
Explanation:
A hour has 30 minutes
1 hour has 2 half an hours
so, 4 x 20 = 80