List

More Upper Primary Number Facts Activities

I'm Eight
problem
Favourite

I'm Eight

Age
5 to 11
Challenge level
filled star empty star empty star
Find a great variety of ways of asking questions which make 8.
Sealed Solution
problem
Favourite

Sealed Solution

Age
7 to 11
Challenge level
filled star filled star empty star
Ten cards are put into five envelopes so that there are two cards in each envelope. The sum of the numbers inside it is written on each envelope. What numbers could be inside the envelopes?
Three Dice
problem
Favourite

Three Dice

Age
7 to 11
Challenge level
filled star empty star empty star
Investigate the sum of the numbers on the top and bottom faces of a line of three dice. What do you notice?
Spiralling Decimals
game
Favourite

Spiralling Decimals

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

Forgot the Numbers
problem
Favourite

Forgot the Numbers

Age
7 to 11
Challenge level
filled star filled star empty star

On my calculator I divided one whole number by another whole number and got the answer 3.125. If the numbers are both under 50, what are they?

Reach 100
problem
Favourite

Reach 100

Age
7 to 11
Challenge level
filled star filled star empty star

Choose four different digits from 1-9 and put one in each box so that the resulting four two-digit numbers add to a total of 100.

Consecutive Numbers
problem
Favourite

Consecutive Numbers

Age
7 to 14
Challenge level
filled star empty star empty star

An investigation involving adding and subtracting sets of consecutive numbers. Lots to find out, lots to explore.

Number match
problem
Favourite

Number match

Age
5 to 11
Challenge level
filled star empty star empty star

A task which depends on members of the group noticing the needs of others and responding.