Add and Sub on a Numberline

Tom draws this number line to find 8.7 - 2.5. 
How does the number line help Tom find the difference?
(Explain the steps in questions 4 -8)
4. First it shows jumps of 

• Two wholes

• Three wholes

• Two tenths

•  Three tenths

Tags

CCSS.7.NS.A.1B

Tom draws this number line to find 8.7 - 2.5. 
How does the number line help Tom find the difference?
(Explain the steps in questions 4 -8)
5. The wholes go from 8.7 ..... to 

• 5.7

• 7.7

• 6.7

•  4.7

Tags

CCSS.5.NBT.B.7

Tom draws this number line to find 8.7 - 2.5. 
How does the number line help Tom find the difference?
(Explain the steps in questions 4 -8)
6. After the wholes, it shows a jump of:

• 5 tenths

• 5 hundredths

• 5

• 5 thousandths

Tags

CCSS.5.NBT.B.7

Tom draws this number line to find 8.7 - 2.5. 
How does the number line help Tom find the difference?
(Explain the steps in questions 4 -8)
7. The last jump lands on 

• 6.7

• 6.2

• 6.5

•  7.2

Tags

CCSS.5.NBT.B.7

Tom draws this number line to find 8.7 - 2.5. 
How does the number line help Tom find the difference?
(Explain the steps in questions 4 -8)
8. Therefore, 8.7 - 2.5 =

• 5.02

• 5.2

• 6.02

• 6.2

Tags

CCSS.5.NBT.B.7

Using the number line solve:

-5 + 4

• 1

• -1

• 9

• -9

Tags

CCSS.7.NS.A.1B

Using the number line solve:

-1 + -3

• 4

• 2

• -4

• -2

Tags

CCSS.7.NS.A.1B

Emily started at 16 on a number line and drew a line to -34. How long is the line she drew?

• 18

• 50

• -18

• -50

Tags

CCSS.7.NS.A.1C

Which number will go in the box?

• 2 3/4

• 3/4

• 2/12

Tags

CCSS.3.NF.A.1

CCSS.3.NF.A.2B

Which 2 numbers will come inside the boxes

• 1/2 and 1/3

• 3/10 and 6/10

• 3/10 and 4/10

• 3/10 and 4/20

Tags

CCSS.3.NF.A.1

CCSS.3.NF.A.2B