By accessing our 180 Days of Math for Fourth Grade Answers Key Day 12 regularly, students can get better problem-solving skills.
180 Days of Math for Fourth Grade Answers Key Day 12
Directions Solve each problem.
Question 1.
36 – 7 = ___
Answer:
36 – 7 = 29
Explanation:
Perform subtraction operation on above two given numbers. Subtract 7 from 36 the difference is 29.
Question 2.
\(\frac{1}{4}\) of 28 is ____
Answer:
\(\frac{1}{4}\) x 28 = 7
Explanation:
Perform multiplication operation. Multiply 1/4 with 28 the product is 7. So, 1/4 of 28 is 7.
Question 3.
Divide 24 into equal groups of 4.
_____________________
Answer:
24 ÷ 4 = 6
Explanation:
Perform division operation on above two given numbers. Divide 24 by 4 the quotient is 6.
Question 4.
28 ÷ 4 = _____
Answer:
28 ÷ 4 = 7
Explanation:
Perform division operation on above two given numbers. Divide 28 by 4 the quotient is 7.
Question 5.
What is the value of the 1 in 312?
______________
Answer:
The value of of the 1 in 312 is 1 ten or 10.
Question 6.
5 + 
= 25
Answer:
5 + 
 = 25
Explanation:
To get the sum 25 we need to perform addition operation. Add 5 to 20 the sum is 25. The missing addend is 20.
Question 7.
Calculate the area of the square.
______________
Answer:
we know that side = 4 cm
Area of a square = side x side square units
Area of a square = 4 cm x 4 cm
= 16 square centimeters
The area of the square is 16 square centimeters.
Explanation:
We know that all the sides of a square are equal. So, the area of the square is equal to the square of side.
Question 8.
Would you use a scale or ruler to measure weight?
______________
Answer:
I use scale to measure weight.
Explanation:
Instruments are used to measure different things like weight, area, temperature, time, length, perimeter. I use scale to measure weight.
Question 9.
What is the area of a rectangle that measures 4 cm by 12 cm?
______________
Answer:
The area of the rectangle is equal to the product of length and width.
Given, Length = 12 cm, width = 4 cm
Area of rectangle = length x width square units
= 12 cm x 4 cm
= 48 square centimeters
Area of rectangle = 48 square centimeters
Area of a rectangle that measures 4 cm by 12 cm is 48 square centimeters.
Question 10.
There are 16 boys. A coach wants to form 4 equal teams. How many boys will be on each team?
______________
Answer:
There are 16 boys. A coach wants to form 4 equal teams.
16 boys/4 teams = 4 boys
 4 boys will be on each team.