Adding and subtracting decimals

Front

What is the sum of $3.94 and $2.80?

Back

$6.74

Front

How much faster did the man run than the woman if the men's world record is 9.58 seconds and the women's is 10.5 seconds?

Back

0.92 seconds

Front

What is 8.5 - 2.7?

Back

5.8

Front

What is the sum of 1.33 and 21.1?

Back

22.43

Front

What is 17.5 - 0.9?

Back

16.6

Front

Define decimals.

Back

Decimals are numbers that represent a fraction of ten, using a decimal point to separate the whole number from the fractional part.

Front

What is the place value of the digit 4 in the number 3.94?

Back

The place value of 4 in 3.94 is in the tenths place.

Front

How do you align decimals when adding or subtracting?

Back

Align the numbers by their decimal points to ensure that the digits in each place value are correctly added or subtracted.

Front

What is the difference between 10.5 and 9.58?

Back

0.92 seconds.

Front

What is the result of 5.5 + 2.3?

Back

7.8