# 180 Days of Math for Fifth Grade Day 153 Answers Key

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## 180 Days of Math for Fifth Grade Answers Key Day 153

Directions: Solve each problem.

Question 1.

The addition is the term used to describe adding two or more numbers together. The addition is denoted using the plus sign ‘+‘ such as the addition of 3 and 3 can be written as 4 + 4. Also, the plus sign (+) can be used as many times as required, such as
4 + 4 + 4 + 4.

Question 2.
62 = ___________
A number n squared is written as n² and n² = n × n. If n is an integer then n² is a perfect square.
6 squared is written as 6² and 6² = 6 × 6 = 36. thirty-six is a perfect square.

Question 3.
342 ÷ 25 = ____________
The division is breaking a number into an equal number of parts. The division is an arithmetic operation used in Maths. It splits a given number of items into different groups.
There are a number of signs that people may use to indicate division. The most common one is ÷, but the backslash / and a horizontal line (-) are also used in the form of Fraction, where a Numerator is written on the top and a Denominator on the bottom.
The division formula is:
Dividend ÷ Divisor = Quotient (or) Dividend/Divisor=quotient

Therefore, the quotient is 13.68 and the remainder is 0.

Question 4.
Write the largest four-digit number possible using the digits 2, 6, 9, and 0.
To get the largest number order the numbers from largest to smallest.
The above-given numbers are 2, 6, 9, and 0.
now order them in descending order.
The order is 9, 6, 2, 0
Thus, the largest number is 9620 or in words nine thousand six hundred twenty.

Question 5.
Write 0.55 as a percentage.
To write 0.55 as a per cent have to remember that 1 equals 100% and that what you need to do is just to multiply the number by 100 and add at the end symbol %.
0.55 * 100 = 55%
And finally, we have:
0.55 as a per cent equals 55%.

Question 6.
14 – 25 ÷ 5 = __________
The value of 25 ÷ 5 is 5

Now subtract the value we got. Let’s assume the answer is X.
X = 14 – 5
X = 9
Therefore, the answer for above equation is 9.

Question 7.
20 × = 200
Let the empty box be M.
20 × M = 200
Now get 20 to the right-hand side then the equation will be:
M = 200/20
M = 10
Now substitute the M value in the above equation.
20 × M = 200
20 × 10 = 200
200 = 200
LHS = RHS

Question 8.
Calculate the area of a square with 6-cm sides.
The area is the space covered by the object. It is the region occupied by any shape. While measuring the area of a square, we consider only the length of its side. All the sides of a square are equal and hence, its area is equal to the square of the side.
Formula:
Area of a Square = Side ×  Side
Therefore, the area of square = Side2  square units.
Given: The area of the square is 6 cm sides.
Area of square = 6 × 6
Area of square = 36 square cms.

Question 9.
Which 3-dimensional figure has two circular faces?
A cylinder is defined as a three-dimensional geometrical figure which has two circular bases connected by a curved surface. A cylinder has
– No vertex
– 2 edges
– 2 flat faces – circles
– 1 curved face

Question 10.
Record the following data in a bar graph.
The Storks scored 7 runs. The Sluggers scored 12 runs.

Bar graphs are the pictorial representation of data (generally grouped), in the form of vertical or horizontal rectangular bars, where the length of bars is proportional to the measure of data. They are also known as bar charts. Bar graphs are one of the means of data handling in statistics.

Question 11.
In a game, the probability that a spinner will land on a 2 is $$\frac{3}{5}$$. How many times would you expect a 2 if you spin the spinner 15 times?
The probability that a spinner will land on 2 is 3/5
P(spinner land on 2) = 3/5
The number of times that we would expect 2 if we spin the spinner 15 times = X
X = 3/5 * 15
X = 3 * 3
X = 9
Therefore, we can expect 9 times.

Question 12.
If you can read 25 pages in half an hour, how many pages can you read in 2 hours?