In previous lessons, students saw equations as one way to represent the answer to a story problem. In this lesson, students make sense of equations in relation to 10-frames and fingers. Students work with many different compositions and decompositions of 10, which will be useful in future lessons when students find the number that makes 10 when added to a given number.
When students match different representations of addition (equations, 10-frames, and fingers) they reason abstractly and quantitatively (MP2).
- Match equations to compositions and decompositions of 10
- Emparejemos ecuaciones con tableros de 10 y con dedos.
- Each student needs at least 2 different colored crayons.
- Gather materials from:
- Shake and Spill, Stages 1–3
- Counting Collections, Stage 1
- Roll and Add, Stages 1 and 2
|Activity 1||10 min|
|Activity 2||10 min|
|Activity 3||25 min|
|Lesson Synthesis||5 min|