Download presentation
Published byImogene King Modified over 9 years ago
1
Problem Using 20 cubes, make four piles so that the first pile contains 4 more cubes than the second pile, the second pile contains 1 cube less than the third pile, and the fourth pile contains twice as many cubes as the second pile. How many cubes are in each pile?
2
CLARIFY To make clear, to remove misconceptions.
You must answer the following questions to show an understanding of the problem. What am I told? What am I trying to find out? Can I say it in my own words?
3
What am I trying to find out? Can I say it in my own words?
Using 20 cubes, make four piles so that the first pile contains 4 more cubes than the second pile, the second pile contains 1 cube less than the third pile, and the fourth pile contains twice as many cubes as the second pile. How many cubes are in each pile? What am I told? What am I trying to find out? Can I say it in my own words? Solve the problem. What strategy is best?
4
What am I told? 20 cubes 4 piles First pile, 4 more than second
Second pile, one less than third Fourth has twice as many as second
5
What am I trying to find out?
How many cubes are in each pile so that the total number of cubes used is 20.
6
Solve the problem Pile 1 Pile 2 Pile 3 Pile 4 Total 1 2 3 4 5 6 7 8
Strategy: Guess, Check and Refine Pile 1 Pile 2 Pile 3 Pile 4 Total 1 2 3 4 5 6 7 8 -3 - - - - - - - - - - - 1 5 1 2 2 10 2 3 4 15 3 4 6 20 Write your answer in a sentence
7
Write your answer in a sentence
If I use 20 blocks, the first pile has 7 blocks, the second pile has 3 blocks, the third pile has 4 blocks and the four pile has 6 blocks.
Similar presentations
© 2024 SlidePlayer.com. Inc.
All rights reserved.