March Challenge - Years 1 & 2

Kimie and Sebastian were making sticks from interlocking cubes. Kimie made blue sticks two cubes long. Sebastian made red sticks three cubes long. They both made a lot of sticks.

Kimie put her blue sticks end to end in a long line. Sebastian put his red sticks end to end in a line underneath Kimie's.

a) Can they make their lines the same length?  How long would their lines be?
b) How many sticks (of 2 blue cubes) could Kimie use? 
c) How many sticks (of 3 red cubes) would Sebastian put down? 


Extension:  Can they make another line of equal length?

Solutions are to be completed by Wednesday 30th March.  Please post them into the Maths Challenge Box in the picture book library. 

March Challenge - Years 3 & 4

Lisa went on holiday to the seaside.

In 5 days she made 80 sandcastles.

Each day she made 4 fewer castles than the day before.

How many castles did she make each day (for the 5 days)?

Lisa went on making 4 fewer castles each day.

How many castles did she make altogether?

Solutions are to be completed by Wednesday 30th March.  Please post them into the Maths Challenge Box in the picture book library. 

March Challenge - Years 5 & 6

Imagine you have 25 beads.

You have to make a three-digit number on an abacus.

You must use all 25 beads for each number you make.

How many different three-digit numbers can you make?

Write them in order.

Here are some examples of how a place value abacus works.  These are not possible solutions to the problem though, as the first example only uses 8 beads and the second only uses 17 beads.

           

 Solutions are to be completed by Wednesday 30^th March.  Please post them into the Maths Challenge Box in the picture book library.

February Challenge - Year 1 & 2

Lee was writing all the counting numbers from 1 to 20.

1

2

3

4

5

She stopped for a rest after writing seventeen digits.  What was the last number she wrote?

Solutions are to be completed by Friday 26th February.  Please post them into the Maths Challenge Box in the picture book library. 

February Challenge - Years 3 & 4

Susie the snake has up to 20 eggs.

She counted her eggs in fours.

She had 3 left over.

She counted them in fives.

She had 4 left over.

How many eggs has Susie got?

Solutions are to be completed by Friday 26th February.  Please post them into the Maths Challenge Box in the picture book library. 

February Challenge - Years 5 & 6

Take ten cards numbered 0 to 9.

For each challenge use all ten cards.  (This means that you make all five numbers in each challenge using 0 once, 1 once, 2 once...  Numbers may have 1, 2 or 3 digits.)

Challenge A:

Make five numbers that are multiples of 3.

Challenge B:

Make five numbers that are multiples of 7.

Challenge C:

Make five prime numbers.

Extension:
Make up more problems to use all ten cards to make five special numbers.

Solutions are to be completed by Friday 26th February.  Please post them into the Maths Challenge Box in the picture book library.