There were 22 legs creeping across the web. How many
flies? How many spiders?
Sealed Solution
A set of ten cards, each showing one of the digits from 0 to 9, is
divided up between five envelopes so that there are two cards in
each envelope. The sum of the two numbers inside it is written on
each envelope:
What numbers could be inside the
8
envelope?
Here are two dice.
If you add up the dots on the top you'll
get 7.
Find two dice to roll yourself. Add the
numbers that are on the top.
What other totals could you get if you roll the dice again?
Notes for adults
You will need two dice to play this game. The children can count the
total number of spots on the dice or add them together using
number facts they already know.
Record the results and explore the different totals that you can
get.
Help them to find all the possible combinations.
Tis Unique
**4
+28*
* ***
This addition sum uses all ten digits 0, 1,
2...9 exactly once. Find the sum and show
that the one you give is the only possibility.
Read This Page
Replace the letters with numbers to make
the addition work out correctly.
R E A D
+ T H I S
P A G E
Kids
There are at least twelve solutions to the addition sum
M U M
+ D A D
-- -- -- -K I D S
You have to replace the seven letters by seven numbers. How
many solutions can you find? How many solutions are there?
4 Dom
Use these four dominoes to make a square that has the same
number of dots on each side.
Number Round Up
Arrange the numbers
1
to
6
in each set of circles below.
The sum of each side of the triangle should equal the number in
the centre of the triangular shape.
Butterfly Flowers
Look at the butterflies and the numbers they have. The flowers
also have numbers.
Can you find 2 butterflies to go on each flower so that the
numbers on each pair of butterflies adds to the same number as
the one on the flower?
Which pair of butterflies has no flower to go to?
Which flower cannot have a pair of butterflies on it?
We sold 46 packets of crisps on
Monday. We sold 23 more packets
than Monday on Tuesday. How many
packets did we sell altogether?
A machine makes nails. Between 9am and
10am it makes 1230 nails. Between 10am
and 11am it makes 1267 nails. What is the
total number of nails it makes between 9am
and 11am?
The school spends £186.20 on fresh fruit
during January. In February it spends
£188.89. How much has been spent on fruit
in total during these two months?
Amil collects 46 stamps and Sunita
collects 39.
How many stamps do they have
altogether?
Use the base 10 equipment to make the
following numbers;
64
37
152
Now, use the equipment to add two numbers.
Remember to exchange 10 units for a long if
necessary.
18 + 15
46 + 39
Be able to explain what you did!
Magic Square 111 Puzzle
The box below is a Magic Square. This means
that the numbers add up to the same total in
every direction.
Every row, column and diagonal adds up to
111. But there are some numbers missing! Fill
in the missing numbers. They are all
different.
Some children are growing a sunflower.
On Friday, it was 28cm tall.
By Monday, it had grown another 6cm.
How tall was it on Monday?
Diagonal Sum
Here is a
100
square with some of the numbers shaded:
Look at the green square which contains the numbers 2,3,12 and13.
What is the sum of the numbers that are diagonally opposite each other?
Do you notice anything?
Look at the pink square.
Does the same thing happen?
What about the yellow square?
You could try with other squares which have four numbers in them.
Why does this happen?
Look at the squares shaded red. They form the corners of a large3 by 3
square.
If you add the numbers diagonally opposite each other, what happens?
Why?
What happens for squares of different sizes?
Make the scales balance by filling in the
correct number.
?
36 57
At a football match, there were 4,672 people
in the North stand and 3,485 in the South
stand.
How many people were there watching the
game?
Which three numbers could
have a sum of 23?
Write the next five sums in this pattern:
5+3=8
15 + 3 = 18
25 + 3 = 28
Write the next five sums in this pattern:
18 + 10 + 0 = 28
18 + 9 + 1 = 28
18 + 8 + 2 = 28
Adam painted his house using 620 litres
of white paint and 229 litres of sea
green paint. How many litres of paint in
all did Adam use?
Sunita and David each decided to donate
money to a local school.
Sunita donated £17.94, and David donated
£36.27.
Together, how much did Sunita and David
donate?
Make 15
You need…
2 players
3 dice
Pencil and paper
Aim… To get as close to 15 as you can by adding your dice
numbers.
To play...Take it in turns to throw the dice and add up your
score. Decide if you want to keep any of those numbers.
You can throw 1 or 2 of your dice again to help you get a
score nearer to 15.
You can have up to 3 throws then that is your final score.
Scoring…
If you get
you score
15
13,14,16,17
Any other number
15 points
5 points
1 point
Keep track of your scores. The first to reach 50 points is the
winner.