By accessing our 180 Days of Math for Fifth Grade Answers Key Day 47 regularly, students can get better problem-solving skills.
180 Days of Math for Fifth Grade Answers Key Day 47
Direction Solve each problem.
Question 1.
Answer: 55
Explanation:
Adding two or more addends, we get the sum.
Question 2.
5 × 8 = ___
Answer:
40
Explanation:
Multiply the numbers 5 and 8 to get the product.
5 x 8 = 40
Question 3.
Answer: 5
Explanation:
Question 4.
Write the ordinal number for thirty-one.
______________
Answer:
31st
Explanation:
An ordinal number is a number that tells the position of something in a list,
such as 1st, 2nd, 3rd, 4th, 5th etc.
Question 5.
\(\frac{1}{4}\) 0f 80 marbles is ___.
Answer: 20
Explanation:
\(\frac{1}{4}\) 0f 80 marbles
= \(\frac{1}{4}\) x 80
= \(\frac{80}{4}\)
= 20
Question 6.
15 + 4 × 5 = ___
Answer: 35
Explanation:
15 + 4 x 5
=15 + 20
= 35
Question 7.
+ 14 = 23
Answer: 9
Explanation:
Let the unknown number be x
x + 14 = 23
x = 23 – 14
x = 9
Question 8.
How many seconds are in 7 minutes?
_____________________
Answer:
420 seconds
Explanation:
1 minute = 60 seconds
So, 7 minutes = 7 x 60
= 420 seconds
Question 9.
How many degrees are in a straight line?
_____________________
Answer:
180 degrees
Explanation:
A straight line has an angle of 180 degrees.
Question 10.
What fraction of the money in Tommy’s bank is quarters?
_____________________
Answer:
18 Quarters
Explanation:
quarters = 9 = 25 x 9 = 225 cents
Dimes =18 = 18 x 10 = 180 cents
Nickels = 9 = 9 x 5 = 45 cents
225 + 180 + 45 = 450 cents
18 quarters
Question 11.
The probability that a family has a pet dog is \(\frac{3}{5}\). Out of a group of 15 families, how many of them will likely not have dogs?
_____________________
Answer: 6
Explanation:
The probability that a family has a pet dog is \(\frac{3}{5}\).
There are 15 group of familes.
\(\frac{3}{5}\) x 15
\(\frac{3×15}{5}\)
= 3 x 3
= 9
will likely not have dogs
15 – 9 = 6
Question 12.
A six-pack of sports drinks costs $3.30. What is the cost of each drink?
_____________________
Answer:
$0.55 is the cost of each drink.
Explanation:
A six-pack of sports drinks costs $3.30.
Cost of each pack = \(\frac{3.30}{6}\)
= $0.55