By accessing our 180 Days of Math for Fifth Grade Answers Key Day 78 regularly, students can get better problem-solving skills.
180 Days of Math for Fifth Grade Answers Key Day 78
Directions Solve each problem.
Question 1.
51 – 6 = ______
Answer: 45
Explanation:
By subtracting smaller number 6 from bigger number 51,
we get the difference 51 – 6 = 45
Question 2.
20 × 30 = ___
Answer:
600
Explanation:
Multiply the numbers 20 and 30,
we get the product 600.
Question 3.
Answer: 14
Explanation:
Question 4.
What is the even number after 359?
______________
Answer:
360
Explanation:
Even numbers are numbers that exactly divided by 2.
So, the even number after 359 is 360
Question 5.
Calculate half of $8.90.
______________
Answer:
$4.45
Explanation:
Divide the given number with 2, to get half.
$8.90 ÷ 2 = $4.45
Question 6.
5 • 9 + 6 • 4 = ___
Answer: 69
Explanation:
5 • 9 + 6 • 4 is a combined operation,
Dot represents multiplication.
(5 x 9) + (6 x 4)
= 45 + 24
= 69
Question 7.
Answer: 7
Explanation:
Let the unknown number be x
8x = 56
x = 56 ÷ 8
x = 7
Question 8.
\(\frac{1}{2}\) L = ___ mL
Answer:
500ml
Explanation:
1 liter = 1000 ml
\(\frac{1}{2}\) L = \(\frac{1000}{2}\)
= 500 ml
Question 9.
Does the arrow show a vertex, face, or edge?
Answer:
Edge
Explanation:
Edge is the line between two corners or surfaces.
given shape cube has 12 edges.
Question 10.
If Tommy triples his number of nickels, what will be the total value of his nickels?
______________
Answer:
$1.35
Explanation:
Number of nickels with Tommy = 9
Tommy triples his number of nickels = 9 x 3 = 27
1 nickel = 5 cents
Total value of nickels = 27 x 5 = 135nickles
135 nickels or 1.35 dollars
As 1 dollar = 100 cents.
Question 11.
You have a bag of 12 marbles. Six of the marbles are blue, two are green, three are yellow, and one is red. If you reach into the bag and grab one marble, what is the probability that it will be green?
_____________________
Answer:
1 out of 6 or 17%
Explanation:
A bag has 12 marbles.
Six of the marbles are blue, two are green, three are yellow, and one is red.
probability of green marble = \(\frac{2}{12}\)
= \(\frac{1}{6}\) or 17%
Question 12.
Roshan buys 6 bags of bracelets. Each bag has 10 bracelets. He then divides the bracelets evenly between 12 friends. How many bracelets does each friend get?
_______________________
Answer:
5 bracelets
Explanation:
Roshan buys 6 bags of bracelets.
Each bag has 10 bracelets.
He then divides the bracelets evenly between 12 friends.
Number of bracelets each friend get = \(\frac{6×10}{12}\)
= \(\frac{60}{12}\) = 5