Chapter 5 Test -MY MATH

Front

What is the total amount of money Jacob has after finding $2.72 on the ground if he initially had $8?

Back

$10.72

Front

If Jan's lunch bill is $5.74 and she pays with a $10 bill, how much change does she receive?

Back

$4.26

Front

What property of addition is demonstrated by the equation (12 + 16) + 34 = 12 + (16 + 34)?

Back

Associative Property of Addition

Front

How do you estimate the sum of 4.97 and 13.02?

Back

Round 4.97 to 5 and 13.02 to 13, then add: 5 + 13 = 18.

Front

What is the sum of 8.00 and 2.72?

Back

$10.72

Front

What is the definition of the Associative Property of Addition?

Back

The Associative Property of Addition states that the way in which numbers are grouped in addition does not change their sum.

Front

How do you calculate change received after a purchase?

Back

Subtract the total bill from the amount paid.

Front

What is the importance of estimating sums in real-life situations?

Back

Estimating sums helps to quickly assess costs and make decisions without needing exact calculations.

Front

What is the process for adding decimals?

Back

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

Front

What is the significance of rounding numbers in estimation?

Back

Rounding simplifies calculations and provides a quick approximation of the total.