smc-690-70-Number lines

Number and Algebra, NAP-F2-10

What number is the letter A pointing to on this number line?

	`39`
	`38`
	`37`
	`34`

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`38`

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`text(Each interval on the number line is equal to 2.)`

`:.\ text(The arrow is pointing to 38.)`

Number and Algebra, NAP-C2-2

A section of a number line is drawn below.

What number is the arrow pointing to?

`1005`	`1010`	`1050`	`1150`

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`1050`

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`text(Each interval on the number line is worth 50.)`

`:.\ text(Arrow is pointing to 1050.)`

Number and Algebra, NAP-E2-31

Which arrow points to where 75 would be on this number line?

`text(A)`	`text(B)`	`text(C)`	`text(D)`

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`text(A)`

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`text(Each interval adds 50 to this number line.)`

`:.\ text(option A)`

Number and Algebra, NAP-H2-28 SA

What number is the arrow pointing to on this number line?

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`90`

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`text(Each interval on the number line is)`

`text(worth 15.)`

`:.\ text(Number the arrow points to)`

`= 60 + 2 xx 15`

`= 60 + 30`

`= 90`

Number and Algebra, NAP-G2-11

What is the missing number on this number line?

`50`	`55`	`60`	`65`

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`60`

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`text(Strategy one:)`

`text(Each interval jumps 15.)`

`:.\ text(Missing number is 45 + 15 = 60.)`

`text(Strategy two:)`

`text(Missing number)`	`=(45+75)/2`
	`=120/2`
	`=60`

Number and Algebra, NAP-H2-3

Which arrow points to the number that is halfway between 12 and 24?

`A`	`B`	`C`	`D`

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`B`

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`text(Halfway between 12 and 24)`

`= (24 + 12)/2`

`= 36/2`

`= 18`

`text{(This point can be confirmed by the three interval}`

`text{jumps needed from both 12 and 24 to reach 18)}`

`=>B`