180 Days of Math for Fourth Grade Day 150 Answers Key

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 cm² or m²?
80 _________
Answer: The unit of measure for the area of a hand be cm²
80cm²

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