Understanding Number Lines and Increments

The video tutorial explains how to determine the value of a blue dot on three different number lines. Each number line has unique increments, which are not necessarily by one. The tutorial guides viewers through solving each number line by calculating the increments or decrements needed to reach the blue dot's position. The first number line involves subtracting eight for each jump, the second involves adding three, and the third involves adding four. The tutorial encourages viewers to pause and attempt solving the problems independently before following along with the solutions.

What is the main challenge in identifying the value of the blue dot on the number lines?

• The blue dot is not visible.

• The increments between marks are not always one.

• The number lines are too long.

• The number lines are not labeled.

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CCSS.7.NS.A.1B

In the first number line, what operation is performed to move from -2 to -10?

• Subtract 8

• Add 10

• Subtract 10

• Add 8

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CCSS.6.NS.C.6C

What is the value of the blue dot on the first number line?

• -18

• -26

• -10

• -2

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CCSS.2.MD.B.6

CCSS.1.NBT.C.4

How is the increment calculated for each jump on the first number line?

• Each jump is -2

• Each jump is -4

• Each jump is -10

• Each jump is -8

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CCSS.3.OA.D.9

In the second number line, what is the increment for each jump?

• Add 5

• Add 3

• Add 4

• Add 2

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CCSS.2.MD.B.6

CCSS.1.NBT.C.4

What is the final value of the blue dot on the second number line?

• 1

• 4

• -5

• -11

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CCSS.3.OA.D.9

What is the increment for each jump on the third number line?

• Add 8

• Add 2

• Add 4

• Add 6

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CCSS.2.MD.B.6

What is the value of the blue dot on the third number line?

• 5

• 7

• 9

• 11

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CCSS.2.MD.B.6

CCSS.1.NBT.C.4

How many total jumps are needed to reach the blue dot on the third number line?

• One jump

• Two jumps

• Four jumps

• Three jumps

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CCSS.7.NS.A.1B

What is the initial value on the third number line?

• -7

• 9

• 1

• 5

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CCSS.7.NS.A.1B