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"Lesson Activities"
GRADE 4 ADDITION AND SUBTRACTION 3 DIGIT WHOLE NUMBERS
GRADE 5 ADDITION AND SUBTRACTION 5 DIGIT WHOLE NUMBERS
GRADE 6 PLACE VALUE AND ADDITION PUZZLE
GRADE 7 WHOLE NUMBER MATHEMATICAL THINKING
GRADE 8 WHOLE NUMBER PROPERTIES
GRADE 9 INTEGERS
GRADE 10 ALGEBRAIC EXPRESSIONS
GRADE 11 EXPONENTS AND […]
This is a game for one or two players.
The first player chooses a positive even number that is less than 50, and crosses it out on the 100 square grid.
The second player chooses a number to cross out. The number must be a factor or multiple of the previous number.
Players […]
There are some water lilies in a lake.
The area that they cover doubles in size every day.
After 17 days the whole lake is covered with water lilies.
How long did it take them to cover half the lake?
Can you find numbers to replace the ? marks to solve this two by two multiplication puzzle? Can you explain how it works?
How does the diagram below connect with the multiplication?
Use the two grids to do the two multiplications:
72 × 25 […]
What do you notice about the numbers in this square?
Write numbers in the blank boxes in squares B, C. and D that make the same patterns as in square A.
Cards 1 to 16 all use multiplication or division and give clues about the numbers in squares A, B, C […]
You might like to start by investigating the patterns you get when you shade multiples of a number on a grid. Download here
For the prime sieve investigation use a 100 square grid (download here):
Circle the number 2. Put a line through every multiple of 2 up to 100.
[…]
Can you find the chosen number from this square using the clues below?
1. The number is odd.
2. It is a multiple of three.
3. It is smaller than 7 x 4.
4. It has an even tens digit.
5. It is the greater of the two possibilities.
[…]
See the Inclusion and Home Learning Guide for related activities on the same topic for ages 4 to 18+.
How many factors does 72 have?
Investigate numbers that are products of a square number and a cube number. How many factors do they have?
How does the number 1 behave in the world […]
Both players start with zero points and take turns to throw the dice as many times as they like adding the total at each throw to their score.
Suppose you throw a double one. On the next throw, is your chance of throwing a double one the same, more likely or less […]
In Game A you pick out two balls at random from a bag containing balls numbered 2, 3, 4, 5 and 6.. If the total is even you win. If it is odd you lose. Are you equally likely to win or to lose (a fair game)?
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