By accessing our **180 Days of Math for Sixth Grade Answers Key Day 161** regularly, students can get better problem-solving skills.

## 180 Days of Math for Sixth Grade Answers Key Day 161

**Directions: Solve each problem.**

Question 1.

263 – 147 = ___________

Answer:

263 – 147 =** 116**

Explanation:

Perform subtraction operation on above two given numbers. Subtract 147 from 263 the difference is 116.

Question 2.

Answer:

Explanation:

Perform multiplication operation on above two given numbers. Multiply 100 with 43 the product is 4,300.

Question 3.

How many groups of six are in 180?

Answer:

To find the number of groups of 6 in 180 we have to divide 180 by 6.

180 ÷ 6 = 30

So there are 30 groups of six in 180.

Question 4.

What is the value of the digit 4 in the number 247,890?

Answer:

The value of the given number 247,890 from left to right is as below,

2 – Hundred Thousands

**4 – Ten Thousands**

7 – Thousands

8 – Hundreds

9 – Tens

0 – Ones

The value of the digit 4 in the number 247,890 is **Ten thousands**.

Question 5.

Write 7.04 as a mixed number.

Answer:

**7 1/25** is a mixed number for 7.04.

Explanation:

The improper fraction 176/25 in mixed number form as **7 1/25**. So, **7 1/25** is a mixed number for 7.04.

Question 6.

2 × 3 10 = 16

Answer:

2 × 3 10 = 16

Explanation:

To get the sum 16 we need to perform addition operation in the expression after the digit 3 and before the digit 10. Place the addition symbol in between 3 and 10. First multiply 2 with 3 the product is 6. Add 6 with 10 the sum is 16.

Question 7.

× 30 = 1,800

Answer:

× 30 = 1,800

Explanation:

To get the product 1,800 we need to perform multiplication operation. Multiply 60 with 30 the product is 1,800. The missing multiplier is 60.

Question 8.

Find k.

k + 45 = 371

k = __________

Answer:

k + 45 = 371

k = 371 – 45

**k = 326**

Explanation:

To calculate the K value we need to perform subtraction operation on given equation. Subtract 45 from 371 the difference is 326.

Question 9.

How many meters are in 624 centimeters?

Answer:

We know that,

1 meter = 100 centimeters

1 centimeter = 0.01 meter

Multiply 624 centimeters with 0.01meters is as below:

624 centimeters x 0.01 meters = **6.24 meters**

There are 6.24 meters in 624 centimeters.

Question 10.

What is the perimeter of a square with 15-m sides?

Answer:

Perimeter of a square = 4 x side

Perimeter of a square = 4 x 15 m = **60 m
**The perimeter of a square with 15-m sides is 60 m.

Question 11.

What fraction of the birds seen were either parrots or sparrows?

Answer:

There are two types of birds parrots and sparrows.

The fraction of the birds seen were **either** parrots or sparrows are **1/2 fraction**.

Question 12.

Round each item on the bill to the nearest nickel. Then find the change from $20.00 of the total rounded amount.

Answer:

The bill $0.87 is rounded to the nearest nickel as $0.85.

The bill $2.66 is rounded to the nearest nickel as $2.65.

The bill $3.90 is rounded to the nearest nickel as $3.90.

The bill $1.63 is rounded to the nearest nickel as $1.65.

The bill $2.53 is rounded to the nearest nickel as $2.55.

The bill $1.30 is rounded to the nearest nickel as $1.30.

The total rounded amount is obtained by adding above rounded bills.

$0.85 + $2.65 + $3.90 + $1.65 + $2.55 + $1.30 = $12.90

Change is obtained by subtracting total rounded amount from $20.00.

$20.00 – $12.90 = **$7.10**

Change is equal to $7.10.