Math 4 Today ~ Week 15 ~ Day 2

Front

What is the formula to calculate the perimeter of a rectangle?

Back

Perimeter = 2 × (Length + Width)

Front

If the perimeter of a rectangle is 54 inches and the length is 15 inches, how do you find the width?

Back

Subtract the length from half the perimeter: Width = (Perimeter/2) - Length.

Front

What is the width of a desk if its perimeter is 54 inches and its length is 15 inches?

Back

12 inches.

Front

What does the number word 'five thousand eight hundred ninety-two' represent in digits?

Back

5,892.

Front

How do you convert a number word into digits?

Back

Break down the number word into its place values and write the corresponding digits.

Front

What is the value of the digit 8 in the number 5,892?

Back

800 (it is in the hundreds place).

Front

What is the value of the digit 5 in the number 5,892?

Back

5,000 (it is in the thousands place).

Front

What is the value of the digit 9 in the number 5,892?

Back

90 (it is in the tens place).

Front

What is the value of the digit 2 in the number 5,892?

Back

2 (it is in the ones place).

Front

If a rectangle has a length of 10 inches and a width of 4 inches, what is its perimeter?

Back

28 inches (Perimeter = 2 × (10 + 4)).