WALT solve decimal word problems.
Decimal word problems
Show your working
Subtraction
| |
Question
|
Workspace
|
1. Katherine bought cosmetic items which cost $78.12 in total. She gave $100 to the shop keeper. How much does she receive as change?
Answer: 21.88
|
100.0 -78.12 =
100.0 - .12 = 99.88
99.88 - 78.00 =21.00
|
2. Kelly scored 56.73 points and Karen scored 74.92 points on a University exam. How many points less did Kelly score than Karen?
Answer:18.19
|
74.92 - 56.73
.92 - .73 = .19
74 - 56 = 18.0
18.0 + .19 = 18.19
|
3. A mixture is obtained by mixing two products A and B respectively. Product A weighs 234.56 grams and the mixture weighs 988.76 grams. How much does Product B weigh?
Answer:754.20
|
988.76 - 234.56
.76 - .56= .20
988 - 234 =
900-200 = 700
80-30 = 50
8-4 =4
754 + .20 = 754.20
|
4. David’s home is 12.53 miles away from the lake and 16.73 miles away from his school. How far is David’s school from the lake?
Answer: 4.20
|
12.53 -16.73=
.73 - .53 =.20
16 - 12 = 4.00
4.00 + .20 = 4.20
|
No comments:
Post a Comment
Please structure your comments as follows:
Positive - Something done well.
Thoughtful - A sentence to let us know you actually read/watched or listened to what they had to say.
Helpful - Give some ideas for next time or Ask a question you want to know more about.