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 × 2^{2} = ___________

Answer:

2^{2} = 4

5 × 4 = 20

5 × 2^{2} = 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