REVIEW: Compute with Multi-Digit Numbers

Front

What is the result of 14.28 ÷ 4.2?

Back

3.4

Front

What is 55.78 + 4.6?

Back

60.38

Front

What is the first step when adding and subtracting decimals?

Back

Line up the decimals.

Front

Estimate the product of 58 x 61.

Back

3,600

Front

Estimate the product of 27 x 12.

Back

300

Front

What is the importance of lining up decimals when adding or subtracting?

Back

It ensures that each digit is in the correct place value, leading to accurate calculations.

Front

How do you estimate the product of two numbers?

Back

Round each number to a convenient value and then multiply.

Front

What is the process for dividing decimals?

Back

Move the decimal point in the divisor to make it a whole number, and move the decimal point in the dividend the same number of places.

Front

What is the estimated sum of 45.6 + 3.8?

Back

49.

Front

How do you convert a decimal to a fraction?

Back

Place the decimal over its place value and simplify.