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

Directions: Solve each problem.

Question 1.
27 + 15 = _________

Thus the addition of 27 and 15 is 42.

Question 2.
$$\frac{1}{8}$$ of 40 is ___________.
$$\frac{1}{8}$$ Ã— 40 = 5

Question 3.
50 Ã· 10 = ___________

The quotient is 5 and the remainder is 0.

Question 4.

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 Ã— 7
Given,
7 + 7 + 7 + 7 + = 5 Ã— 7
Let the missing number be x.
7 + 7 + 7 + 7 + xÂ = 5 Ã— 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? __________
There are 31 days in January
There are 31 days in May
There are 31 days in August

Question 8.
10 mm = ___________ cm
We have to convert from millimeters to centimeters.
1 cm = 10 mm

Question 9.
Label with reflection, rotation, or translation.

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