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Class 5 unit 2
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Define Triangular number sequence
can be shown as patterns of dots arranged as an equlateral triangle
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Tell me all the factors of 16.
1,2,4,8,16
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Ben starts counting back from 40 in eights, what is the first negative number he will say? 40, 32, 24, .......
-8
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What is the next two numbers in the sequence? 18, 12, 6, 0, …….., ................
-6 , - 12
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is 324 a square number ? Explain why or why not.
yes it is a square number because 18 * 18 =324
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Tell me any five multiples of 12.
12 , 24 , 36, 48 , 60
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What is a prime number? Give examples also
Prime number is a number that has only two factors: 1 and itself
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Solve 9 square - 6 square
45
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factors of 24 are
1, 2, 3, 4, 6, 8, 12 and 24
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Find term to term rule for the sequence : 689 , 659 , 629 .......
minus 30
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