By accessing our **180 Days of Math for Fourth Grade Answers Key Day 139 **regularly, students can get better problem-solving skills.

## 180 Days of Math for Fourth Grade Answers Key Day 139

**Directions: Solve each problem.**

Question 1.

27 + 15 = _________

Answer:

Thus the addition of 27 and 15 is 42.

Question 2.

\(\frac{1}{8}\) of 40 is ___________.

Answer:

\(\frac{1}{8}\) × 40 = 5

Question 3.

50 ÷ 10 = ___________

Answer:

The quotient is 5 and the remainder is 0.

Question 4.

Answer:

The quotient is 4 and the remainder is 2.

Question 5.

Round 4,737 to the nearest thousand.

Answer: 4737 to the nearest thousand is 5000.

Question 6.

7 + 7 + 7 + 7 + = 5 × 7

Answer:

Given,

7 + 7 + 7 + 7 + = 5 × 7

Let the missing number be x.

7 + 7 + 7 + 7 + x = 5 × 7

28 + x = 35

x = 35 – 28

x = 7

Thus the missing number is 7.

Question 7.

How many days are in January? _________

May? _________

August? __________

Answer:

There are 31 days in January

There are 31 days in May

There are 31 days in August

Question 8.

10 mm = ___________ cm

Answer:

We have to convert from millimeters to centimeters.

1 cm = 10 mm

Question 9.

Label with reflection, rotation, or translation.

Answer: translation

Question 10.

Draw 9 triangles. Color \(\frac{2}{3}\) of them yellow. Color the rest blue. How many are blue?

Answer:

Among 9 triangles 6 are yellow and 3 are blue color