By accessing our 180 Days of Math for Sixth Grade Answers Key Day 158 regularly, students can get better problem-solving skills.
180 Days of Math for Sixth Grade Answers Key Day 158
Directions: Solve each problem.
Question 1.
Answer:
Explanation:
Perform addition operation on above three given numbers. Add 32 to 46 and 28 the sum is 106.
Question 2.
70 × 500 = __________
Answer:
70 × 500 = 35,000
Explanation:
Perform multiplication operation on above two numbers. Multiply 70 with 500 the product is 35,000.
Question 3.
How many groups of four are in 120?
Answer:
120/4 = 30
There are 30 groups of four are in 120.
Question 4.
Calculate the cube root of 27.
Answer:
3 x 3 x 3 = 27
Cube root of 27 = 3 or ∛27 = 3
Explanation:
When a number is multiplied by itself three times gives the actual number 27. The cube root of 27 is symbolically represented as ∛27.
Question 5.
6 + \(\frac{5}{10}\) + \(\frac{6}{100}\) + \(\frac{4}{1000}\) = ___________
Answer:
6 + \(\frac{5}{10}\) + \(\frac{6}{100}\) + \(\frac{4}{1000}\)
= 6 + 0.5 + 0.06 + 0.004
= 6.564
Explanation:
Perform addition operation on above given numbers. The fraction 5/10 in decimal form as 0.5. The fraction 6/100 in decimal form as 0.06. The fraction 4/1000 in decimal form as 0.004. Add 6 with 0.5, 0.06 and 0.004 the sum is 6.564.
Question 6.
14.7 + 2 × 1.2 – 8 = __________
Answer:
14.7 + 2 × 1.2 – 8
= 14.7 + 2.4 – 8
= 17.1 – 8
= 9.1
Explanation:
Multiply 2 with 1.2 the product is 2.4. Now the expression is 14.7 + 2.4 – 8.
Next perform addition operation on the expression. Add 14.7 with 2.4 the sum is 17.1. Now the expression is 17.1 – 8.
Perform subtraction operation. Subtract 8 from 17.1 the difference is 9.1.
Question 7.
9.6 – 
= 5.8
Answer:
9.6 – 
= 5.8
Explanation:
To get the difference 5.8 we have to perform subtraction operation. Subtract 3.8 from 9.6 the difference is 5.8. The missing numbers is 3.8.
Question 8.
Find x.
2x = 10
x = ___________
Answer:
2x = 10
x = 10/2
x = 5
Explanation:
To calculate x value we have to perform division operation on given equation. Divide 10 by 2 the quotient is 5. The value of x is equal to 5.
Question 9.
Calculate the distance a train can travel in 5 hours at 50 kilometers per hour.
Answer:
The train can travel 50 kilometers per hour.
1 hour = 50 kilometers
5 hours = ?
Multiply 50 kilometers with 5 hours.
(50 kilometers x 5 hours)/1hour = 250 kilometers
A train can travel 250 kilometers in 5 hours.
Question 10.
How many sides does a decagon have?
Answer:
A decagon have 10 sides.
Explanation:
A decagon is a polygon with 10 sides and 10 angles.
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 either a piece of chocolate or licorice?
Answer:
Total lollipops are 16.
Total piece of chocolates are 12.
Total pieces of licorice are 7.
Total number of candies are 16 + 12 + 7 = 35
Total number of piece of chocolates and piece of licorice are 19.
12 + 7 = 19
The probability of either a licorice or a piece of chocolate is 19/35.
Question 12.
Reanna worked 9 hours. She took a break after working \(\frac{1}{3}\) of the time. How many hours did she still have to work when she came back from her break?
Answer:
Reanna worked 9 hours.
She took a break after working \(\frac{1}{3}\) of the time.
1/3 x 9 hours = 3 hours
9 hours – 3 hours = 6 hours
She still have to work 6 hours when she back from her break.