1.3 Adding and Subtracting Within 20 · Lesson 8: Ten as a Unit

1.3 Adding and Subtracting Within 20 · Lesson 8: Ten as a UnitMath · Grade 1 Math · Grade 1Lesson plan

Learning goals: Teacher Facing Compose and decompose teen numbers into 1 ten and some number of ones. Understand 10 ones as a unit called a ten. Full lesson plan (warm-up, activities, synthesis, cool-down prompt) from 1.3 Adding and Subtracting Within 20, Grade 1.

From Illustrative Mathematics (IM Certified curriculum, im.kendallhunt.com) · CC BY 4.0 · original source

More Math for grades K–2

2.5 Numbers to 1,000 · Lesson 14: Hundreds of Objects (optional) · Lesson plan
2.9 Putting It All Together · Lesson 3: Measure on a Map — student task statements · Worksheet
2.7 Adding and Subtracting within 1,000 · Lesson 1: Compare, Count on, and Count Back — slides · Presentation
2.7 Adding and Subtracting within 1,000 — Blackline master: Five in a Row Addition and Subtraction Stage 8 Gameboard · Handout
2.6 Geometry, Time, and Money · Lesson 15: Identify Pennies, Nickels, and Dimes · Lesson plan
2.6 Geometry, Time, and Money · Lesson 19: More Money Problems — student task statements · Worksheet