Live Problems - Stage 4 & 5

Each time you visit the NRICH site there will be some activities which are 'live'. That means we are inviting you to send us your solutions and we will publish a selection of them, along with your name and school. If you'd like to read more about what we're looking for, read this short article.

Stage 4 & 5 Toughnutslive

Stage: 5 Challenge Level: Challenge Level:1

These Stage 4 and 5 problems haven't been solved yet. Can you be the first?

Can You Find... Cubic Curveslive

Stage: 5 Challenge Level: Challenge Level:1

Can you find equations for cubic curves that have specific features?

Curvy Cubicslive

Stage: 5 Challenge Level: Challenge Level:1

Use some calculus clues to pin down an equation of a cubic graph.

Paired Parabolaslive

Stage: 5 Challenge Level: Challenge Level:1

Some parabolas are related to others. How are their equations and graphs connected?

Which Fraction Is Bigger?live

Stage: 5 Challenge Level: Challenge Level:1

Given two algebraic fractions, how can you decide when each is bigger?

Name That Graphlive

Stage: 5 Challenge Level: Challenge Level:1

How can you work out the equation of a parabola just by looking at key features of its graph?

Betweenlive

Stage: 5 Challenge Level: Challenge Level:1

If you know some points on a line, can you work out other points in between?