SAMPLE: This is how I would like you to answer Questions #2 and #3. To add decimals, write the numbers vertically and line up the decimal points. Then bring down the decimal point and add as you would with whole numbers. Use colors to show the orders of each step. You will only need to initial my diagram to get credit for Question 1.
Add 4.206 + 10.85
Add 15.5 + 8.229
Add 78.41 + 90.99
SAMPLE: This is how I would like you to answer Questions #5 and #6. To subtract decimals, write the numbers vertically and line up the decimal points. Then bring down the decimal point and subtract as you would with whole numbers. Use colors to show the orders of each step. You will only need to initial my diagram to get credit for Question 4.
Subtract 6.3 − 5.33
Subtract 27.9 − 0.905
Subtract 18.626 − 13.88
For lunch at the Museum of the American Revolution, your meal costs $4.10 and your friend’s meal costs $3.65. You pay for both meals with a $20 bill. How much change do you receive?