Adding Decimals
Add the decimals 10.30 + 11.50
What is 21.80
Subtract the decimals 13.62 - 11.41
What is 2.21
Add the decimals 11.6 + 9.418
What is 21.018
Subtract the decimals 18.3 - 3/5
What is 17 and 7 tenths, 17.7, or 17 7/10
Emma buys a sandwich for $5.75 and a drink for $2.45.
How much does she spend in total?
$8.20
Add the decimals 52.36 + 44.63
What is 96.99
Subtract the decimals 93.62 - 42.61
What is 51.01
Add the decimals 92.946 + 7.12
What is 100.066
Subtract the decimals 87.66 - 19 7/10
What is 67.96
Jake fills his car with 9.45 gallons of gas one week and 7.8 gallons the next week.
How many gallons of gas did he buy in total?
17.25 gallons
Add the decimals 107.46 + 73.44
what is 180.90
Subtract the decimals 117.37 - 102.24
What is 15.13
Add the decimals 147.8 + 196.436
What is 344.236
Subtract the decimals 192.1 - 117 51/100
What is 74.59
Three pears weigh 5.67 ounces, 4.25 ounces, and 6.13 ounces.
What is the difference between the weights of the heaviest pear and the lightest pear?
1.88 ounces
Add the decimals 13.62 + 16.27
What is 29.89
Subtract the decimals 37.16 - 6.06
What is 31.10
Add the decimals 3/5 + 14.6289 - 1/50
What is 15.2089
Subtract the decimals 44.5 - 15.6 + 1/2
What is 29.4
A piece of ribbon is 12.6 meters long. Sarah cuts off 4.85 meters.
How much ribbon is left?
7.75 meters
Add the decimals 654.22 + 325.67
What is 979.89
Subtract the decimals 792.69 - 202.34
What is 590.35
Add the decimals 792.678 + 208.3
What is 1,000.978
Subtract the decimals 946 9/10 - 767.971
What is 178.929
Maria buys a pair of shoes that costs $72.40. She has a store coupon for $8.25 off.
Maria says that the cost with the coupon is $64.05.
Explain Maria’s error and find the correct cost.
Maria subtracted incorrectly and got $64.05 instead of $64.15. She likely made a mistake with place value when subtracting the cents.
$64.15