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.