Lesson: Adding Two-Digit Numbers on Number Lines Elementary School Mathematics 1st Grade • JUMPMath 2.1 • Part 1 of 2 • Assessment & Practice • US Edition • enVisionmath2.0 • Grade 2 • Volume 1 • Common Core

Mathematics

In this lesson, we will learn how to use a number line to add two-digit numbers to two-digit numbers by making jumps of ten and one.

Video

01:51

Q1:

Look at the example:

Use a number line to find these sums.

Fill in the blank: .

Q2:

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

Use number lines to find the answers to these sums.

Q3:

Elizabeth is adding using a number line.

Pick the sum she is working on.

Find the answer.

Preview Download