Adding, Subtracting, and Multiplying Decimals

Front

What is the sum of 1.5, 2.5, and 0.75?

Back

4.75 cups of dry ingredients.

Front

When adding or subtracting decimals, what must you do with the decimal points?

Back

Line up the decimal points.

Front

Calculate: 55.78 + 4.6

Back

60.38

Front

How many more miles did Carlos run this week compared to last week if he ran 42.35 miles last week and 47.75 miles this week?

Back

5.4 miles more.

Front

What is the result of 94 - 4.8?

Back

89.2.

Front

What is a decimal?

Back

A decimal is a fraction expressed in a special form, where the denominator is a power of ten.

Front

What does it mean to multiply decimals?

Back

To multiply decimals, you multiply the numbers as if they were whole numbers, then count the total number of decimal places in both factors and place the decimal point in the product accordingly.

Front

What is the importance of zero in decimal numbers?

Back

Zero acts as a placeholder in decimal numbers, helping to determine the value of other digits.

Front

What is the difference between adding and subtracting decimals?

Back

Adding decimals combines values, while subtracting decimals finds the difference between values.

Front

How do you convert a fraction to a decimal?

Back

Divide the numerator by the denominator.