By accessing our 180 Days of Math for Third Grade Answers Key Day 121 regularly, students can get better problem-solving skills.

Directions: Solve each problem.

Question 1.
18 + 6 =
18 + 6 =
Explanation:
Perform addition operation on above two given numbers. Add 18 to 6 the sum is 24.

Question 2.

Explanation:
Perform multiplication operation on above two given numbers. Multiply 24 with 5 the product is 120.

Question 3.
How many paws are on 3 dogs?
There are 4 paws on one dog.
To calculate paws on 3 dogs we need to perform multiplication operation.
Multiply 4 paws with 3 dogs.
4 x 3 = 12 paws
There are 12 paws on 3 dogs.

Question 4.
There is a group of triangles with a total of 15 sides. How many triangles are there?
A triangle has three sides.
Given that a group of triangles having 15 sides total.
1 triangle = 3 sides
? triangles = 15 sides
(1 triangle x 15 sides)/ 3 sides
= 1 triangle x 5
= 5 triangles
There are 5 triangles with a total of 15 sides.

Question 5.
Which is larger: $$\frac{17}{100}$$ or $$\frac{27}{100}$$?
Given fractions are $$\frac{17}{100}$$, $$\frac{27}{100}$$
17/100 = 0.17
27/100 = 0.27
So, $$\frac{27}{100}$$  is larger.

Question 6.
× 5 = 35
× 5 = 35
Explanation:
To get the product 35 we need to perform multiplication operation. If we multiply 7 with 5 then we get the product as 35. The missing multiplier is 7.

Question 7.
Does a sheet of paper have a mass of more or less than one kilogram?
We know that one kilogram is equal to 1000 grams.
A sheet of paper has mass less than one kilogram.

Question 8.
It is 7:20. What time will it be in 20 minutes?
The given time is 7:20.
After 20 minutes the time will be 7:40.

Question 9.
List the angles in order from smallest to largest.

The angle of option A is greater than 90 degrees less than 180 degrees.
The angle of option B is less than 90 degrees.
The angle of option C is 90 degrees.
So, the above angles from smallest to largest are B, C, A.

Question 10.
If you add 71 to me, you get 100. What number am I?