to solve for Key Stage 1, 2 and 3
Stage 1 Solve it...!
Some puzzles for you to solve!
Which are the numbers
you can make be throwing 2 dice (1 to 6) and adding to the numbers you
Try the same activity with 2 different dice.
You can use the dice on the Interactive Lighthouse.
Click here for them
Start at 1
and keep doubling. Will you ever reach 400?
How many ears
would 50 children have?
How many toes
would 100 children have?
= 1, b = 2, c = 3, d = 4 and so on.
'dab' is worth 4 and 1 and 2, which
How much is your name worth?
Whose name in your family is worth the most?
Whose name in your family is worth the least?
Stage 2 Solve it...! The
Price of TV
would like you to watch less television so they have struck a deal with
you. They give you £10 at the beginning of the week. They allow
you to watch one hour of television every day for free. For every half
hour you watch past that you must pay half of your remaining money.
When you have spent all of the £10 you must turn off the television
for the rest of the week.
How many hours of television can you watch in a week? This table may
An extra task
Think of how much television you watch. Would you have any money left?
What would you spend it on.
Stage 3 Solve it...! Eight's
Sam is preparing
a four-course meal for a party of eight people. Read the menu on the
right and the information below, which will help her plan and cost the
Bistro Special Menu
Dover sole in butter
lamb cutlets, new potatoes,
carrots and green beans
Fresh fruit salad
Melons! only 99p each!
oranges, fresh and juicy! 28p each
Dessert apples £1.85 per kg.( average 3 per kg)
Bananas £1.45 per kg ( average 4 per kg)
New season strawberries! £1.65 per kg
Seedless grapes! The Best! £2.30 per kg
Lemons 32p each
Cod £4.79 per kg
Haddock £4.21 per kg
Sole £6.26 per kg
Halibut £7.56 per kg
(allow 200g per person)
New pots £1.01 per kg
Broccoli £1.85 per kg
Carrots 84p per kg
Asparagus £5.57 per kg
Green beans £3.77 per kg
(allow 150g per veg per person)
Sam, the butcher
rang. He's got lamb cutlets at £1.18 a go. Reckons you'll need
two per person.
Aunt Mildred's old-fashioned Fruit Salad
2 dessert apples
100g seedless grapes
Juice of half a lemon
How much will the melon starter cost for the whole party?
How much will the separate fish and meat courses cost?
How much will the fruit salad cost?
Now that Sam has
worked out what each course will cost to buy, she can calculate the
total cost of the meal for eight.
a) What will the total be?
b) What will each of the courses cost pr person?
An extra task
The cost of running the restaurant and paying staff, as well as the
cost of the food, needs to be covered by the prices actually charged,
with a profit on top of that.
a) How much would
YOU charge for each item on the menu?
b) What would the full meal cost each person in the group at your prices?