# 180 Days of Math for Third Grade Day 51 Answers Key

By accessing our 180 Days of Math for Third Grade Answers Key Day 51 regularly, students can get better problem-solving skills.

## 180 Days of Math for Third Grade Answers Key Day 51

Directions Solve each problem.

Question 1.
22 – 11 =  Explanation:
The difference of 22 and 11 is 11
22 – 11 = 11
So, the missing number is .

Question 2.
4 × 3 = 4 x 3 = Explanation:
The product of 4 and 3 is 12
So, 4 x 3 = 12.

Question 3.  Explanation:
The product of 12 and 2 is 24
So, 12 x 2 = 24.

Question 4.
How many chairs will you have if you have a total of 20 chair legs?
_____________
5 chairs

Explanation:
If i have 20 chair legs
We know each chair will have 4 legs
Divide 20 with 4
20 / 4 = 5
So, I will have 5 chairs.

Question 5.
0.20 + 0.10 + 0.20 =
_____________ Explanation:
The sum of 0.20, 0.10 and 0.20 is 0.50
So, 0.20 + 0.10 + 0.20 = 0.50.

Question 6.
Fill in the missing number.
317, 307, ___, 287, 277
297

Explanation:
The missing number in the pattern is skip count of 10
the pattern shows decrease in numbers
317 – 10 = 307
So, 307- 10 = 297
The missing number is 297
The pattern is 317, 307, 297, 287, 277.

Question 7.
Tuesday is June 4th. What is the date on the following Friday?
_____________
7th June

Explanation:
If Tuesday is 4th June
Wednesday is 5th
Thursday is 6th
So, Friday is 7th June.

Question 8.
What is the perimeter?
___ cm Perimeter = 9 cm

Explanation:
The triangle has sides with length 3 cm
Perimeter = 3 x length of side
= 3 x 3
= 9
So, perimeter of given triangle is 9 cm.

Question 9.
Label the vertex on the angle.  Explanation:
The point on which the angle is formed is called the angle’s vertex
I  labeled the vertex on the angle
The vertex is point B.

Question 10.
I am an odd number between 129 and 133. What number am I?
_____________