*Being Resilient - Upper Primary is part of our Being a Good Thinker - Upper Primary collection.*

Good thinkers are resilient. They don't give up easily, and are motivated to work hard and keep going when faced with challenges. They recognise that we all fail sometimes, and when this happens, they bounce back and try alternative approaches.

How can you become a resilient mathematician?

Here are some problems that may require some determination. The solutions may not be immediately obvious, so you will need to persevere. Success can be sweeter after a struggle!

You can browse through the Number, Measures, Geometry or Statistics collections, or scroll down to see the full set of problems below.

Good thinkers are resilient. They don't give up easily, and are motivated to work hard and keep going when faced with challenges. They recognise that we all fail sometimes, and when this happens, they bounce back and try alternative approaches.

How can you become a resilient mathematician?

Here are some problems that may require some determination. The solutions may not be immediately obvious, so you will need to persevere. Success can be sweeter after a struggle!

You can browse through the Number, Measures, Geometry or Statistics collections, or scroll down to see the full set of problems below.

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### Being resilient - Upper Primary Number

Are you resilient enough to solve these number problems?

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### Being resilient - Upper Primary Measures

Are you resilient enough to solve these measure problems?

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### Being resilient - Upper Primary Geometry

Are you resilient enough to solve these geometry problems?

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### Being resilient - Upper Primary Statistics

Are you resilient enough to solve these statistics problems?

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### Plants

Three children are going to buy some plants for their birthdays. They will plant them within circular paths. How could they do this?

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### The Deca Tree

Find out what a Deca Tree is and then work out how many leaves there will be after the woodcutter has cut off a trunk, a branch, a twig and a leaf.

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### Fractional Triangles

Use the lines on this figure to show how the square can be divided into 2 halves, 3 thirds, 6 sixths and 9 ninths.

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### Nine-Pin Triangles

How many different triangles can you make on a circular pegboard that has nine pegs?

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### Brush Loads

How can you arrange the 5 cubes so that you need the smallest number of Brush Loads of paint to cover them? Try with other numbers of cubes as well.

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### Shape Times Shape

These eleven shapes each stand for a different number. Can you use the number sentences to work out what they are?

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### Treasure Hunt

Can you find a reliable strategy for choosing coordinates that will locate the treasure in the minimum number of guesses?

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### Factors and Multiples Game

A game in which players take it in turns to choose a number. Can you block your opponent?

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### Cut Nets

Each of the nets of nine solid shapes has been cut into two pieces. Can you see which pieces go together?

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### Eight hidden squares

On the graph there are 28 marked points. These points all mark the vertices (corners) of eight hidden squares. Can you find the eight hidden squares?

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### Spiralling Decimals

Take turns to place a decimal number on the spiral. Can you get three consecutive numbers?

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### Numerically Equal

Can you draw a square in which the perimeter is numerically equal to the area?

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### Factor Lines

Arrange the four number cards on the grid, according to the rules, to make a diagonal, vertical or horizontal line.

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### Ten Hidden Squares

These points all mark the vertices (corners) of ten hidden squares. Can you find the 10 hidden squares?

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### More children and plants

This challenge extends the Plants investigation so now four or more children are involved.

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### The Dice Train

This dice train has been made using specific rules. How many different trains can you make?

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### Two and Two

How many solutions can you find to this sum? Each of the different letters stands for a different number.

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### Frogs

How many moves does it take to swap over some red and blue frogs? Do you have a method?