# Worksheet: Adding Numbers up to 20 on a Number Line

In this worksheet, we will practice adding within 20 by jumping forward in ones on a number line.

Q1:

Use the number line to complete the following addition sentence.  Q2:

On this number line, Elizabeth started at 13 and counted forward until she reached 18. Which number sentence describes what Elizabeth did?

• A
• B
• C
• D
• E

Q3:

I start at a number and count forward. Does this represent adding or subtracting? • Bsubtracting

Q4:

Find the total. Q5:

Find the total. Q6:

Olivia was playing a game. First, she moved her counter 4 spaces forward. Then, she moved it 7 spaces forward. How many spaces from the start is her counter?

Q7:

On this number line, Sophia started at 4 and counted forward three. Which of the following describes what Sophia did?

• DShe took away three.
• EShe took away seven.

Q8:

Find the number sentence that matches this number line. • A3 + 4 = 8
• B8 − 4 = 4
• C3 + 5 = 8
• D8 − 5 = 3
• E3 + 3 = 8

Q9:

Fill in the missing number. Use the number line if you need to. Q10:

Fill in the missing number. Use the number line if you need to. Q11:

Fill in the missing number. Use the number line if you need to. Q12:

To find the sum of , we can use a number line.

• Start at 11
• Count on 6
• Land on 17 So, we now know that .

Use a number line to find the sum of .

Q13:

Mia started this calculation on a number line. Finish the calculation to find the total. Q14:

Find the total. Q15:

Consider the following figure. What sum does this diagram represent?

• A
• B
• C
• D
• E

What is the distance between the first addend (2) and the sum?

• A
• B
• C
• D

Q16: Anthony took a bar of length 13 and added a bar of length 6. Read how he showed this on the number line. Write an addition equation to show what he did.

• A
• B
• C

Q17:

What is 7 plus 4?

Q18: 