By accessing our 180 Days of Math for Fourth Grade Answers Key Day 128 regularly, students can get better problem-solving skills.
180 Days of Math for Fourth Grade Answers Key Day 128
Directions: Solve each problem.
Question 1.
Subtract 21 from 34.
Answer:
34
-21
13
Thus when we subtract 21 from 34 we get the result as 13.
Question 2.
Write \(\frac{9}{10}\) as a percentage.
Answer: \(\frac{9}{10}\) as a percent is 90%.
Question 3.
24 ÷ 5 = __________
Answer:
The quotient is 4 and the remainder is 4.
Question 4.
Answer:
The quotient is 4 and the remainder is 0.
Question 5.
Round 789 to the nearest hundred.
Answer: 789 to the nearest hundred is 800.
Question 6.
7 × 8 = 56 × 
Answer:
Let the missing number be x.
7 × 8 = 56 × x
56 = 56 × x
x = 56/56
x = 1
Question 7.
I put 700 mL of water in the cup. Next I put a toy in the cup. How much water was displaced by the toy?
___________ mL
Answer:
Given info,
I put 700 mL of water in the cup. Next, I put a toy in the cup.
From the figure we can see the measure is 900 ml
900 – 700 = 200 ml
200 ml water was displaced by the toy.
Question 8.
Calculate the perimeter.
Answer:
Figure 1:
P = 2(L + W)
P = 2(6 + 4)
P = 2 × 10
P = 20 cm
Figure 2:
P = 2(L + W)
P = 2 (4 + 2)
P = 2 × 6
P = 12 cm
P = 20 cm + 12 cm
P = 32 cm
Question 9.
Which numbers are inside the rectangle, circle, and triangle?
Answer: 6 is the number that is inside the rectangle, circle, and triangle.
Question 10.
Plot each set of coordinates to make a triangle. (D, 7); (B, 3); (G, 3)
Answer:
