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Maths, out in the world.
Hear it, share it, build it. Explore the maths behind everyday things.
Fractions × rhythm
One bar. Many rhythms.
Play halves, then quarters. Which sounds longer? How many quarter notes take the same time as one half note?
Fractions × fair sharing
Can everyone have the same amount?
Can two different numbers of slices still give each person the same fraction? What would you do if a slice needed to be cut again?
Angles × building design
Give this roof a new angle.
Choose a turn, then extend the line to trace it.
Make the roof steeper. What happens to the angle at the top? Can you find a roof with a right angle at its peak?
Real-world maths in the classroom
Fractions help describe time in music and equal shares of food. Angles help describe the slope and shape of a roof. These free activities let students change a model, notice what stays the same and explain a connection.
Start with halves and quarters or equal sharing, then explore equivalent amounts and angle relationships. A whole note in the music model lasts four beats. Thirds are three equal durations across that whole bar, not a standard “third note”.
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