Lesson Worksheet: Adding Two-Digit Numbers on Number Lines Mathematics • 1st Grade

Start Practising

In this worksheet, we will practice using a number line to add two-digit numbers to two-digit numbers by making jumps of ten and one.

Q1:

Look at how Liam added 32 to 27 by adding 3 tens and then 2 ones.

Use number lines to find the answers to these sums.

Q2:

Isabella is adding using a number line.

Pick the sum she is working on.

Find the answer.

Q3:

Use the given number line to solve by jumping tens and ones.

Q4:

Look at the number line. Noah started at 32 and moved forward 5.

Write the calculation that he did.

Use the number line to find the following: .

Q5:

Benjamin and James tried to solve using the number line. Who had the right answer and used the number line correctly?

Q6:

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

Q7:

On this number line, Madison started at 12 and jumped until she reached 41 as shown:

Which of the following number sentences describes what Madison did?

Q8:

Find the number sentence that matches this number line.

Q9:

Use the given model to help you find .

Hint: Add ones by making two jumps on the number line.

Download the Nagwa Practice app to access questions, unit-exams, and flashcards for your school courses.

scan me!