By accessing our 180 Days of Math for Third Grade Answers Key Day 57 regularly, students can get better problem-solving skills.
180 Days of Math for Third Grade Answers Key Day 57
Directions Solve each problem.
Question 1.
9 + 13 = 
Answer:
Explanation:
The sum of 9 and 13 is 22
9 + 13 = 22
The missing number is 
.
Question 2.
True or false?
4 × 2 = 2 + 2 + 2 + 2
________
Answer:
True
Explanation:
4 x 2 = 8
2 + 2 + 2 + 2
= 4 + 2 + 2
= 6 + 2
= 8
So, 4 x 2 = 2 + 2 + 2 + 2 = 8
The equation is true.
Question 3.
How many are in 7 groups of 4?
______________
Answer:
28
Explanation:
7 groups of 4
7 x 4
= 28
So, there are 28 in 7 groups of 4.
Question 4.
There is a group of cars with a total of 16 wheels. How many cars are there?
__________________
Answer:
4 cars
Explanation:
There is a group of cars with a total of 16 wheels
1 car will have 4 wheel
So, 16 ÷ 4 = 4
So, there are 4 cars in the group.
Question 5.
What number is 100 more than 257?
______________
Answer:
357
Explanation:
Start at 257
Count 100 more
257 + 100 = 357
Only the hundreds digit will get add by 1
So, 100 after 257 is 357.
Question 6.
Fill in the missing number.
85, ___, 105, 115, 125
Answer:
95
Explanation:
The pattern shows a skip count of 10
The numbers in the pattern are increasing
85 + 10 = 95
So, the missing number in the pattern is 95
The pattern is 85, 95, 105, 115, 125.
Question 7.
What tool would you use to measure length: a ruler or a clock?
______________
Answer:
A ruler
Explanation:
A clock is a tool used to find the time
A ruler is a tool used to measure length.
Question 8.
What is the perimeter?
_________
Answer:
16 cm
Explanation:
The perimeter of a square is 4 times the length of the side
= 4 x length
= 4 x 4
= 16 cm
Therefore, the perimeter is 14 cm.
Question 9.
What kind of angle does the arrow show?
______________
Answer:
Right angle
Explanation:
The arrow shows a right angle
The lines at the arrow are perpendicular o each other
So, when lines are perpendicular, the angle will be right angle.
Question 10.
An insect has 6 legs. You see 48 legs. How many insects are there?
________
Answer:
8 insects
Explanation:
An insect has 6 legs
You see 48 legs
48 ÷ 6 = 8
So, there are 8 insects.