| Problem |
Hint |
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3) The colored stripes pattern Red, Blue, Orange, Green, Yellow repeats on wall paper. What will be the color of the 32nd stripe? | There are 5 stripes and they repeat every 5 stripes, so determine how many repeats of the 5-stripe pattern there are and then the remainder will be the number of the stripe that is #32. |
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| 4) Tran loves jellybeans. Every day he eats one more jellybean than the previous day. If Tran ate 15 jellybeans on Saturday, how many total jellybeans did he eat that week if his week began on Monday and ended Saturday? |
Method 1: Make a table
Make a table that looks like this:
| Day | # jellybeans |
| Saturday | 15 |
| Friday | |
| Thursday | |
| Wednesday | |
| Tuesday | |
| Monday | |
| Total | |
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Method 2: Use logic
1. If Tran ate 15 jellybeans every day he would eat ____ beans for the week.
2. If he ate 15 on Saturday, he must have eaten ___ on Friday, and then ____ on Thursday.
3. Add up all the beans he did not eat = ____
4. Subtract this from the top number. He ate ____ total beans.
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| 5) Sosna is moving. She can carry 16 books at once in her arms to the car. She can also carry 26 DVDs in one load. She doesn't mix books and DVDs to keep things organized. Sosna made 7 trips to the car with arms fully loaded and carried a total of 142 objects. How many DVDs did she carry to the car? | This is a Guess-and-Check problem!
Make a table that looks like this:
Make sure the number of trips is 7.
| Guess # | #trips to the car | #book trips | # DVD trips | Total number of objects |
1 | 7 | 3 | 4 | 3 x 16 +
4 x 26 = 152 |
2 | 7 | | | |
3 | 7 | | | |
4 | 7 | | | |
5 | 7 | | | |
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