Weather Watchers: Adding and Subtracting Rain and Snow
0 / 12Weather Watchers: Adding and Subtracting Rain and Snow
Solve weather stories with fractions that have unlike denominators.
Adding up the rain
Solve each story. Write your answer as a fraction or a mixed number.
1.
The class rain gauge measured 1/4 inch of rain on Monday and 2/3 inch of rain on Tuesday. How much rain fell on the two days in all?
inch
2.
During a storm, 5/8 inch of rain fell before recess and 1/2 inch fell after recess. How much rain fell during the storm?
inches
3.
The rain gauge was empty on Monday morning. It rained 1/2 inch on Monday, 1/5 inch on Tuesday, and 1/10 inch on Wednesday. No one emptied the gauge. How much water is in the gauge now?
inch
4.
Mr. Ruiz's class measured 3/4 inch of rain in the morning and 1/6 inch in the afternoon. Which shows a correct way to rewrite 3/4 + 1/6 with a common denominator?
Melting snow and filling gauges
Solve each story. Show your work on scratch paper.
5.
There was 7/8 foot of snow on the playground in the morning. By the afternoon, 1/3 foot of the snow had melted. How deep is the snow now?
foot
6.
The school's rain barrel was 9/10 full. Students used 2/5 of the barrel to water the garden. What fraction of the barrel is full now?
of the barrel
7.
This week, Ms. Patel's class measured 1 1/3 inches of rain. Mr. Lee's class measured 3/4 inch of rain. How much more rain did Ms. Patel's class measure?
inch more
8.
By noon, the rain gauge held 3/8 inch of rain. At the end of the day, it held 5/6 inch. No one emptied it. How much rain fell after noon?
inch
9.
On Sunday it rained 1/2 inch. On Monday it rained 1/6 inch more than on Sunday.
How much rain fell on Monday? inch
How much rain fell on Sunday and Monday together? inches
Estimate and match
Use benchmark fractions and equations to think about each story.
10.
Each card shows a two-day rain total in inches. Use the benchmarks 0, 1/2, and 1 to estimate each total. Sort each card by its best estimate.
11.
Match each weather story to the expression that solves it. Two expressions are not used.
12.
On Friday it rained 3/4 inch. On Saturday it rained 2/5 inch. How much more rain fell on Friday than on Saturday? Show your work. Then use benchmarks to explain why your answer makes sense.