By accessing our 180 Days of Math for Sixth Grade Answers Key Day 58 regularly, students can get better problem-solving skills.
180 Days of Math for Sixth Grade Answers Key Day 58
Directions Solve each problem.
Question 1.
6 + 6 + 6 + 6 = ___
Answer:
6 + 6 + 6 + 6 = 24.
Explanation:
The addition of 6 + 6 + 6 + 6 is
= 12 + 12
= 24.
Question 2.
8 × (-30) = ______
Answer:
8 × (-30) = -240.
Explanation:
The multiplication of 8 and -30 is 8 × (-30) = -240.
Question 3.
490 ÷ 49 = ___
Answer:
490 ÷ 49 =10.
Explanation:
The division of 490 by 49 is 490 ÷ 49 = 10.
Question 4.
List all of the prime numbers between 10 and 20.
________________
Answer:
The prime numbers are 11, 13, 17, 19.
Explanation:
The prime numbers are the numbers that are divisible by 1 and itself, so the prime numbers between 10 and 20 are 11, 13, 17, 19.
Question 5.
50% of 12 is ___
Answer:
50% of 12 = 6.
Explanation:
Given 50% of 12 which is \(\frac{50}{100}\) × 12
= 6.
Question 6.
(-4) + (-3) + (-2) = ___
Answer:
(-4) + (-3) + (-2) = -9.
Explanation:
Given the expression is (-4) + (-3) + (-2)
= – 4 – 3 – 2
= -7 – 2
= -9.
Question 7.
\(\frac{3}{5}\) of 
is 12
Answer:
The missing digit is 20.
Explanation:
Let the missing digit be X, the equation will be \(\frac{3}{5}\) of X = 12,
3X = 12×5
X = \(\frac{12×5}{3}\)
= 4×5
= 20.
Question 8.
Find n.
\(\frac{1}{2}\)n = 21
n = ___
Answer:
n = 42.
Explanation:
Given the equation is \(\frac{1}{2}\)n = 21
n = 21×2
= 42.
Question 9.
How many grams are there in 7.5 kilograms?
_______________________
Answer:
7,500 g.
Explanation:
As 1 kg is 1000 g, so 7.5 kg will be 7.5×1000 = 7,500 g.
Question 10.
How many diagonals does a rectangle have?
_______________________
Answer:
Two diagonals.
Explanation:
There are two diagonals that are connected to two opposite vertices.
Question 11.
Inside a bag of candy there are 16 lollipops, 12 pieces of chocolate, and 7 pieces of licorice, If you reach in the bag and grab a piece of candy, what is the probability that it will be licorice?
Answer:
The probability of grabbing a piece of licorice is \(\frac{7}{37}\).
Explanation:
Given that there is a bag of candy there are 16 lollipops, 12 pieces of chocolate, and 7 pieces of licorice. The total candies are 16+12+7 which is 37 candies. So the probability of grabbing a piece of licorice is \(\frac{7}{37}\).
Question 12.
Mr. Wright is five times as old as his daughter, Lilly. Lilly is twice as old as her brother, Micah. If Micah is 3 years old, how old is Mr. Wright?
_______________________
Answer:
Mr. Wright’s age is 30 years.
Explanation:
Given Micah’s age is 3 years old and Lilly is twice as old as her brother. Lilly’s age will be 2×3 = 6 years and Mr. Wright’s age will be 5×6 = 30 years.