Add/Subtract Decimals
Use the associate property to add:
3.54 + 3.3 + 3.7 =
10.54
Compare the numbers. <, >, =
0.090 ______ 0.90
<
Match the number that shows 378.249 rounded to that place value.
Tenths
378.2 378.25 378 380
378.2
Shaquille O'Neal records how much money he finds for one week. He finds $0.23 on Monday, $0.12 on Wednesday, and $0.26 on Thursday. The rest of the days he didn't find any money. Draw a grid that represents $1.00. Shade the grid to show how much total money Shaq found.
Grid of 100 pieces with 61 pieces shaded.
3 7/10+3 7/10=?
7 4/10 or 7 2/5
0.16 + 0.13 + 0.28 = ?
0.57
Compare the numbers. <, >, =
0.581 ______ 1.584
<
Match the number that shows 378.249 rounded to that place value.
Ones
378.2 378.25 378 380
378
Taylor Swift walks 108.72 meters from her house and catches a butterfly. She walks the same distance back to her house. How many meters did Taylor Swift walk? Explain why your answer is reasonable and draw a model to show how you solved the problem. (Model Only)
Number line model showing the distance there and back.
1-1/4=?
3/4
106.84 + 106.84 = ?
213.68
Round the following numbers to the nearest whole number:
39.95
49.99
13.50
40
50
14
Match the number that shows 378.249 rounded to that place value.
Tens
378.2 378.25 378 380
380
Taylor Swift walks 108.72 meters from her house and catches a butterfly. She walks the same distance back to her house. How many meters did Taylor Swift walk? Explain why your answer is reasonable and draw a model to show how you solved the problem. (Answer and Explanation)
217.44
This is reasonable because it is close to 109 + 109 which is 218
3/4-3/8=?
3/8
39.95 + 49.99 = ?
89.94
Circle the number in which the digit 4 is ten times the value of the digit 4 in 1.834. Mark all that apply
0.146 9.548
3.458 184.9
54.82 1.834
0.146
9.548
Match the number that shows 378.249 rounded to that place value.
Hundredths
378.2 378.25 378 380
378.25
Hermione Granger buys a wand for $49.99 and a crystal ball for $29.95. She saves $5.50 for buying them together. Hermione gives the clerk $100. How much change should she receive? Explain why your answer is reasonable.
$25.56
This is reasonable because 50 + 30 =80 and 80 - 6 is 74. If you take 74 away from 100 you get 26 which is close to our answer.
Batman made a cake. He ate 2/3 of the cake on Monday and Robin ate 1/6 of the cake on Tuesday. What fraction of the cake did Batman and Robin eat?
89.94 - 13.50 = ?
76.44
John Cena rode his motorcycle 2 7/8 miles to the store and back again. He wrote this equation to show how far he rode his motorcycle. How far did John Cena ride in all?
2 7/8+2 7/8=N
5 6/8 or 5 3/4