By accessing our 180 Days of Math for Fourth Grade Answers Key Day 90 regularly, students can get better problem-solving skills.
180 Days of Math for Fourth Grade Answers Key Day 90
Directions: Solve each problem.
Question 1.
33 – 17 = _________
Answer:
Thus the difference between 33 and 17 is 16.
Question 2.
How many objects are in 4 columns of 7?
Answer:
4 × 7 = 28
Question 3.
Answer:
60 ÷ 9 = 6.66
Question 4.
40 ÷ 9 = _____________
Answer: 40 ÷ 9 = 4.44
Question 5.
Round 372 to the nearest hundred.
Answer: 372 to the nearest hundred is 400.
Question 6.
6 × 
= 42
Answer:
Let the unknown value be x.
6 × x = 42
x = 42/6
x = 7
Thus, 6 × 7 = 42
Question 7.
To find the height of a door, is the unit of measure m or m2?
Answer: We use meters to measure the height of a door.
Question 8.
You want to see a movie that starts at 3:00. Is it A.M. or P.M.?
Answer: It is 3:00 P.M.
Question 9.
Does this shape tessellate?
Answer: Hexagon only regular shapes which tessellate by themselves.
Question 10.
\(\frac{1}{4}\) of 24 is 6, so \(\frac{3}{4}\) of 24 = ___________
Answer:
\(\frac{1}{4}\) × 24 = 6
\(\frac{3}{4}\) × 24 = 6 × 3 = 18.