NC6NS3 Lesson 7 P1 Add & Subtract Decimals

Front

What is the difference between two decimal numbers?

Back

The difference is the result of subtracting one decimal number from another.

Front

How do you add decimal numbers?

Back

Align the decimal points and add as you would with whole numbers, then place the decimal point in the sum.

Front

What is the sum of 32.15 and 24.15?

Back

56.30

Front

What is the total of 42.07, 29.3, and 34.8 miles?

Back

106.17 miles

Front

How do you subtract decimal numbers?

Back

Align the decimal points and subtract as you would with whole numbers, then place the decimal point in the difference.

Front

What is the difference between 9.84 miles and 6.7 miles?

Back

3.14 miles

Front

If Abby buys a game for $7.89 and batteries for $5.49, how much change does she receive from $20?

Back

$6.62

Front

What is the difference between Danny and Carmen's hours worked if Danny worked 40.5 hours and Carmen worked 19.67 hours?

Back

20.83 hours

Front

What is the importance of aligning decimal points when adding or subtracting?

Back

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

Front

What is a decimal?

Back

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