# 180 Days of Math for Fourth Grade Day 124 Answers Key

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## 180 Days of Math for Fourth Grade Answers Key Day 124

Directions: Solve each problem.

Question 1.  By subtracting 19 and 15 is 4.

Question 2.
$10.00 –$7.25 = __________
Answer: $10.00 –$7.25 = \$2.75

Question 3.  The quotient is 5 and the remainder is 0.

Question 4.
Calculate the quotient of 45 and 5. Thus the quotient is 9.

Question 5.
What is the place value of 8 in 2,836?
Answer: The place value of 8 in 2,836 is 800.

Question 6.
10 × 3 = 6 – Let the missing number be x.
10 × 3 = 6 – x
30 = 6 – x
30 – 6 = -x
24 = -x
x = -24

Question 7.
Would you use kilograms or grams to measure the mass of a pen?
Answer: The mass of a pen can be measured in grams.

Question 8.
48 inches = _________ feet
Convert from inches to feet
We know that,
1 foot = 12 inches
48 inches = x
x = 48/12
x = 4
Thus 48 inches  = 4 feet

Question 9.
Do perpendicular lines meet at right angles?
Answer: Yes perpendicular lines meet at right angles.

Question 10.
Complete the chart for the hundred grid to represent the shaded region.  