180 Days of Math for Sixth Grade Day 109 Answers Key

By accessing our 180 Days of Math for Sixth Grade Answers Key Day 109 regularly, students can get better problem-solving skills.

180 Days of Math for Sixth Grade Answers Key Day 109

Directions: Solve each problem.

Question 1.
400 + (-78) = __________
Answer:
+ × – = –
400 – 78 = 322

Question 2.
5 × 46 = ____________
Answer:
Multiply 46 with 5 we get 230.

Question 3.
What is the quotient when 614 is divided by 7?
Answer: 614 ÷ 7 = 87.7

Question 4.
List the first three multiples of 4.
Answer: The first three mutiples of 4 are 4, 8, 12.

Question 5.
10% of 50 is ___________.
Answer:
10/100 × 50 = 5
So, 10% of 50 is 5.

Question 6.
5 × 2² = ___________
Answer:
2² = 4
5 × 4 = 20
5 × 2² = 20.

Question 7.

Answer:
2\(\frac{1}{3}\) is a mixed fraction we have to convert it into the improper fraction
2\(\frac{1}{3}\) = \(\frac{7}{3}\)

Question 8.
Write the expression for the sum of one-half and s.
Answer: \(\frac{1}{2}\) + s

Question 9.
How many millimeters are in 3.5 centimeters?
Answer:
1 centimeter = 10 millimeter
3.5 centimeter = 3.5 ×10 millimeter = 35 millimeter

Question 10.
What is the diameter of a circle with a radius of 3.45 cm?
Answer:
d = 2r
radius = 3.45 cm
d = 3.45 × 2
d = 6.90 cm
Thus the diameter of a circle is 6.90 cm.

Question 11.
In a game, the probability of spinning a 5 or 6 is \(\frac{2}{3}\). How many times would you expect to land on a number other than 5 or 6 if you spin the spinner 15 times?
Answer: \(\frac{2}{3}\) × 15 = 2 × 5 = 10

Question 12.
Arrange each number 1 through 9 in the circles so that the sum of the numbers in a straight line across the center of the circle is 18.

Answer:

Put 9 in the center and put 1 across 8
2 across 7
3 across 6
4 across 5