Introducing algebra

problem

Sisters and Brothers

Age

7 to 11

Challenge level

Cassandra, David and Lachlan are brothers and sisters. They range in age between 1 year and 14 years. Can you figure out their exact ages from the clues?
problem

Gift Stacks

Age

7 to 11

Challenge level

Use the information to work out how many gifts there are in each pile.
problem

Cherry Buns

Age

7 to 11

Challenge level

Sam's grandmother has an old recipe for cherry buns. She has enough mixture to put 45 grams in each of 12 paper cake cases. What was the weight of one egg?
problem

Two Number Lines

Age

7 to 11

Challenge level

Max and Mandy put their number lines together to make a graph. How far had each of them moved along and up from 0 to get the counter to the place marked?
problem

Counting Counters

Age

7 to 11

Challenge level

Take a counter and surround it by a ring of other counters that MUST touch two others. How many are needed?
problem

How Many Eggs?

Age

7 to 11

Challenge level

Peter, Melanie, Amil and Jack received a total of 38 chocolate eggs. Use the information to work out how many eggs each person had.
problem

Augustus' Age

Age

7 to 11

Challenge level

In 1871 a mathematician called Augustus De Morgan died. De Morgan made a puzzling statement about his age. Can you discover which year De Morgan was born in?
problem

Buckets of Thinking

Age

7 to 11

Challenge level

There are three buckets each of which holds a maximum of 5 litres. Use the clues to work out how much liquid there is in each bucket.
problem

Gran, How Old Are You?

Age

7 to 11

Challenge level

When Charlie asked his grandmother how old she is, he didn't get a straightforward reply! Can you work out how old she is?
problem

First Forward Into Logo 6: Variables and Procedures

Age

11 to 18

Challenge level

Learn to write procedures and build them into Logo programs. Learn to use variables.