180 Days of Math for Fourth Grade Day 128 Answers Key

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:
180 Days of Math for Fourth Grade Answers Key Day 128_3
The quotient is 4 and the remainder is 4.

Question 4.
180 Days of Math for Fourth Grade Day 128 Answers Key 1
Answer:
180-Days-of-Math-for-Fourth-Grade-Day-128-Answers-Key-4
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 × 180 Days of Math for Fourth Grade Day 128 Answers Key 2
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?
180 Days of Math for Fourth Grade Day 128 Answers Key 3
___________ 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.
180 Days of Math for Fourth Grade Day 128 Answers Key 4
Answer:
Figure 1:
180-Days-of-Math-for-Fourth-Grade-Day-128-Answers-Key-8
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?
180 Days of Math for Fourth Grade Day 128 Answers Key 5
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)
180 Days of Math for Fourth Grade Day 128 Answers Key 6
Answer:
180-Days-of-Math-for-Fourth-Grade-Day-128-Answers-Key-10

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