In this lesson we will learn how to add 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?
Q3:
I start at a number and count forward. Does this represent adding or subtracting?
Nagwa uses cookies to ensure you get the best experience on our website. Learn more about our Privacy Policy.