Addition Sentences Using Number Lines - Sums to 20
π¦ Hop to it! Using a number line makes addition as easy as jumping forward. Let's match the math sentence to the jumps.
Do this: Read the concept below, then try the quiz or activity.
Concept
A number line is a straight line with numbers in order. When we add, we always hop forward (to the right)!
π― Reading the Hops: Imagine a frog on a number line. 1. The Starting Point: Where did the frog start its first jump? Let's say it started on 6. 2. The Hop Count: How many spaces did the frog jump? It hopped 5 spaces. 3. The Landing Spot: Where did the frog land? It landed on the 11.
The Math Sentence: Start + Hops = Landing Spot 6 + 5 = 11.
Try it
Read the frog's jumps!
Instructions: Imagine the frog jumping on the number line to write the math sentence.
Problem 1: A frog starts at 8. It hops 4 spaces forward. Where does it land? * Sentence: ___ + ___ = ___
Problem 2: A frog starts at 12. It hops 6 spaces forward. Where does it land? * Sentence: ___ + ___ = ___
Problem 3: You see a picture: A jump starts at 7 and stops at 15. How many hops were inside that jump? * Equation: 7 + ___ = 15 * Answer: ___ hops