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"Lower Secondary"
If all these times are between noon and midnight match the times given on the 12 hour clock with the times given on the 24 hour clock. Put them in order.
Download the 12 hour times cards here and the 24 hour times cards here.
Now match all the […]
Easy starter: Write down 2 numbers that add up to a million, one smaller than 450 000 and one bigger than 450 000.
If you shared a prize of one million dollars between 7 people how many dollars would each get?
What is the easiest way to work out which of the […]
This square of squares pattern has edge length 5 squares. You could make this pattern with 48 matchsticks.
Work out the number of edge squares and the number of lines (matchsticks) needed to make the pattern with: side length 6, side length 25, side length 100, side length n.
Click here […]
You have 2 different bags of marbles.
One bag has 3 Red and 2 Blue the other has 5 Red and 3 Blue.
Mzo picks one marble from each bag at random.
What is the probability he picks one of each colour? What is the probability he does NOT pick a […]
Find the total area of the two red triangles by two different methods if ACD and BCE are straight lines .
What are the lengths PC and CQ?
The triangles are re-drawn with PC = x cm and CQ = y cm keeping the total area the same and keeping the distances between the green […]
Put the missing symbol into the box to make these number sentences correct.
Use the symbols +, −, ×, ÷ and =.
17 ☐ 21 = 38
17 ☐ 3 = 51
57 ☐ 29 = 28
9 ☐ 63 ÷ 7
You can make most of the number sentences below correct by putting in […]
Put these temperatures in order from the coldest to the hottest:
– Boiling water – Normal temperature of human body – Ice – The sun – Water in a swimming pool – Temperature in the shade on a hot summer day.
Here are three views of the same cube.
One face (not shown) is plain yellow.
The other five faces have squares on them coloured blue, orange, pink, green and red.
Which face is opposite the blue one?
Draw a net of this cube and label the six faces.
This model is made with 33 small cubes.
You see three different views:
when you look you look straight down from above (the plan) when you look straight at the model from the side (side view) when you look straight at the model from the front (front view). […]
The challenge is to find numbers to replace the shapes and to make this addition sum correct.
Hint: Imagine adding up the tens column.
What number do you think has to go in the hundreds place? Why?
In the simpler number puzzles 1. and 2. put different numbers in place of the […]
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