K – NS – OE16

What number is difficult to start counting backwards from. Why?

K – NS – OE17

What number is difficult to start counting forwards from. Why?

K – NS – RT1

Sometimes, when you and a partner start counting forward from the same number, you both say the same number sequence. Other times, when you and a partner start counting forward from the same number, you both say a different number sequence. How is this possible? Share...

K – NS – RT2

Sometimes, when you and a partner start counting backward from the same number, you both say the same number sequence. Other times, when you and a partner start counting backward from the same number, you both say a different number sequence. How is this possible?...

K – NS – RT3

Consider a number that is meaningful to you. Find a partner and share your number and why it is meaningful. How are the two numbers similar? How are the two numbers different?

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