By accessing our **180 Days of Math for Fourth Grade Answers Key Day 32 **regularly, students can get better problem-solving skills.

## 180 Days of Math for Fourth Grade Answers Key Day 32

**Directions Solve each problem.**

Question 1.

43 – 17 = ___

Answer:

43 – 17 = **26**

Explanation:

Perform subtraction operation on above two given numbers. Subtract 17 from 43 the difference is 26.

Question 2.

Which is smaller: 0.4 or \(\frac{3}{10}\) ?

__________

Answer:

The decimal form of \(\frac{3}{10}\) is 0.3

0.4 > 0.3

So, **\(\frac{3}{10}\)** is smaller than 0.4.

Question 3.

15 ÷ 5 = ___

Answer:

15 ÷ 5 =** 3**

Explanation:

Perform division operation on above two given numbers. Divide 15 by 5 the quotient is 3.

Question 4.

Answer:

Explanation:

Perform division operation on above two given numbers. Divide 18 by 3 the quotient is 6.

Question 5.

Write 3,426 in expanded notation.

______________

______________

Answer:

The expanded notation of 3,426 is **3,000 + 400 + 20 + 6**.

Explanation:

Expanded notation is defined as the given number is separated into individual place values. The given number 3,426 in expanded notation form is 3,000 + 400 + 20 + 6.

Question 6.

25 + = 36

Answer:

25 + = 36

Explanation:

To get the sum 36 we need to perform addition operation. Add 25 to 11 the sum is 36. The missing addend is 11.

Question 7.

Calculate the area of a square with 3 cm sides.

__ 3 cm

Answer:

Given, side = 3 cm

We know that area of the square is equal to square of the side.

Area of a square = side x side

= 3 cm x 3 cm

= 9 square centimeters

The area of a square with 3 cm sides is** 9 square centimeters**.

Question 8.

How many weeks are in one year?

Answer:

In one year there are 365 days.

In leap year there are 366 days. Leap year occurs every 4 years.

In a week there are seven days.

Divide 365 days by 7 days then we get the number of weeks in one year.

365 ÷ 7 = 52.14

There are** 52 weeks** in one year.

Question 9.

Circle the set of lines that are parallel.

Answer:

Explanation:

In the above image we can observe different set of lines. In option A the set of lines are perpendicular to each other. In option B the set of lines are parallel to each other. So, draw a circle for option B.

Question 10.

Sam found one dollar. He kept half and spent the rest. How much did he spend?

______________

Answer:

Sam found one dollar.

1 dollar = 100 cents

He kept half and spent the rest.

Divide 100 cents by 2 then we get the result as 50 cents.

100 cents/2 = 50 cents

Sam spends** 50 cents**.