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1001 Math Problems
Combinations
This collection contains resources from the website 1001mathproblems.com by Sian Zelbo. The focus is on number bonds with use of logic in puzzles involving combinations.
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Dr. T’s problem
This logic problem involves two activities exploring what initially appear to be conflicting statements. In the first problem, a teacher draws horses on a sheet of paper and holds the sheet up to the class, asking ‘how many horses do you see altogether’. One student replies ‘three’ and is told correct, the second...
The four cards problem
The front face of four cards are shown, together with some statements about what could be on the reverse side. The challenge is to work out how many cards must be turned over to establish if the statements are true.
The five sibling problem
In this puzzle four pieces of information are given about five children in a family. The challenge is to establish the age order of the five siblings.
Numerals that count themselves
In this logic puzzle a text box contains four statements that describe how many zeros, ones, twos and threes are contained within the box (e.g. there is 1 zero in this box). Students are challenged to complete five statements contained within a text box so that each of the statements is true.
Pages
| Subject(s) | Mathematics |
|---|---|
| Age | 7-11, 11-14 |
| Published | 2010 to 2019 |
| Published by | |
| Collections | |
| Direct URL | https://www.stem.org.uk/cxezzq |
