By accessing our **180 Days of Math for Fourth Grade Answers Key Day 150 **regularly, students can get better problem-solving skills.

## 180 Days of Math for Fourth Grade Answers Key Day 150

**Directions: Solve each problem.**

Question 1.

Answer:

The difference between 28 and 15 is 13.

Question 2.

Calculate the product of 5 and 70.

Answer:

5 × 7 = 35

5 × 70 = 350

Thus the product of 5 and 70 is 350.

Question 3.

12 ÷ 4 = ___________

Answer:

Thus the quotient is 3 and the remainder is 0.

Question 4.

55 ÷ 5 = ___________

Answer:

Thus the quotient is 11 and the remainder is 0.

Question 5.

What is the place value of 1 in 8,126?

Answer: The place value of 1 in 8126 is 100.

Question 6.

45 + 45 = 90 ×

Answer:

Let the missing number be x

45 + 45 = 90 × x

90 = 90 × x

x = 90/90

x = 1

Thus, 45 + 45 = 90 × **1**

Question 7.

Would the unit of measure for the area of a hand be cm^{2} or m^{2}?

80 _________

Answer: The unit of measure for the area of a hand be cm^{2
}80cm^{2}

Question 8.

\(\frac{1}{2}\) yard = ____________ inches

Answer:

Convert from yard to inches

1 yard = 36 inches

\(\frac{1}{2}\) yard = 36/2 = 18 inches

Question 9.

A regular hexagon has:

_________ angles

_________ sides

________ axes of symmetry

Answer:

A regular hexagon has:

6 angles

6 sides

6 axes of symmetry

Question 10.

\(\frac{1}{10}\) of 40 = 4, so \(\frac{3}{10}\) of 40 = __________

Answer:

\(\frac{1}{10}\) of 40 = 4

\(\frac{3}{10}\) × 40 = 12