Explaining Sequences

What is the next number in thin sequence? 

 $8,6,4,2,0,…$  

Zara counts back in steps of equal size.

Write the missing numbers in her sequence.

____, ____, 61, 52, _____, 34

• $79,70,\ 43$

• $79,\ 70,\ 34$

• $97,\ 90,\ 34$

• $97,\ 70,\ 43$

Here are some patterns made from sticks.

Draw the next pattern in the sequence.

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The statement in the table below that is correct is....

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How many sticks are in the 10th pattern?

• 56

• 51

• 50

• 46

What is the mathematical name for these numbers?

• Square numbers

• Triangular numbers

• Circle numbers

• Natural numbers

Triangular Numbers.

(Please, you can choose more than one answer)

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Write the next two terms in these sequences:

 $1,\ 4,\ 9,\ 25,$  ______, ______

• 35, 49

• 36, 47

• 36, 49

• 49, 64

Solve these number riddles!

A square number.

A multiple of 3.

Less than 25.

What the number is: this?

Find two square numbers to make each of these calculations correct.

• 1 + 4

• 4 + 9

• 1 + 9

• 9 + 4