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More Trial and Improvement Activities

Two-digit targets
problem
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Two-digit targets

Age
5 to 7
Challenge level
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You have a set of the digits from 0 to 9. Can you arrange these in the five boxes to make two-digit numbers as close to the targets as possible?

Five Steps to 50
problem
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Five Steps to 50

Age
5 to 7
Challenge level
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Use five steps to count forwards or backwards in 1s or 10s to get to 50. What strategies did you use?
Heads and Feet
problem
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Heads and Feet

Age
5 to 7
Challenge level
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On a farm there were some hens and sheep. Altogether there were 8 heads and 22 feet. How many hens were there?
Eggs in Baskets
problem
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Eggs in Baskets

Age
5 to 7
Challenge level
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There are three baskets, a brown one, a red one and a pink one, holding a total of 10 eggs. How many eggs are in each basket?
Find the Difference
problem
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Find the Difference

Age
5 to 7
Challenge level
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Place the numbers 1 to 6 in the circles so that each number is the difference between the two numbers just below it.
4 Dom
problem
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4 Dom

Age
5 to 11
Challenge level
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Use these four dominoes to make a square that has the same number of dots on each side.