By accessing our **180 Days of Math for Fourth Grade Answers Key Day 138 **regularly, students can get better problem-solving skills.

## 180 Days of Math for Fourth Grade Answers Key Day 138

**Directions: Solve each problem.**

Question 1.

Answer:

Thus the difference between 28 and 13 is 15.

Question 2.

Calculate 50 percent of 40.

Answer:

50% of 40

50/100 × 40 = 5 × 4 = 20

So, 50 percent of 40 is 20.

Question 3.

76 ÷ 8 = __________

Answer:

Thus the quotient is 9 and the remainder is 4.

Question 4.

Answer:

Thus the quotient is 14 and the remainder is 5.

Question 5.

How many digits are in 9,092?

Answer: There are 5 digits is 9,092.

Question 6.

100 ÷ 2 = × 5

Answer:

100 ÷ 2 = x × 5

50 = x × 5

5x = 50

x = 50/5

x = 10

100 ÷ 2 = 10 × 5

Question 7.

How many 250-milliliter scoops of ice cream are in a 6-liter carton?

Answer:

We have to find out how many 250-milliliter scoops of ice cream are in a 6-liter carton.

1 liter = 4 × 250 ml

6 liters = 6 × 4 = 24 × 250 ml

Thus there are 24 250-milliliter scoops of ice cream in a 6-liter carton.

Question 8.

48 hours = _______ days

Answer:

1 day = 24 hours

x = 48 hours

x × 24 = 48

x = 48/24

x = 2

Thus 2 days = 48 hours

Question 9.

Is this a right angle?

Answer: Yes

Question 10.

Write the directions for the path the counter moved.

Answer: The path moved from left to downwards and then right to downwards and again from there to right and upwards and left to upwards and stop.