Addition Sentences Using Number Lines - Sums to 20
š¦ Hop to it! Using a number line makes addition as easy as jumping forward. Let's match the math sentence to the jumps.
Concept
A number line is a straight line with numbers in order. When we add, we always hop **forward** (to the right)! šÆ **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