- lesson
- 3rd Grade
Traditional Method to Add within 1,000
By Megan Elias onWarm up with a Mystery Math Mistake as you add two 3-digit numbers using a partial sums strategy. Use…
- lesson
- 2nd Grade
Estimate and Measure with Centimeters
By Megan Elias onWarm up with a Mystery Math Mistake as you add two 2-digit numbers using a decomposition strategy. Think through…
- lesson
- 1st Grade
Add & Subtract Using 20
By Megan Elias onRepresent a teen number using a number bond to solve a Mystery Math Mistake. Use Notice and Wonder with…
- lesson
- Kindergarten
Compare Numbers 1-10
By Megan Elias onUse a 10-frame and Rekenrek (counting buddy) to tell if Dotson made a Mystery Math Mistake building "one less."…
- lesson
- 3rd Grade
Add Within 1,000
By Megan Elias onWarm up with a Mystery Math Mistake as you add two 3-digit numbers using a partial sums strategy. Use…
- lesson
- 2nd Grade
Measuring with Centimeters
By Megan Elias onWarm up with a Mystery Math Mistake as you add two 2-digit numbers using a decomposition strategy. What do…
- lesson
- 1st Grade
Add & Subtract Using 10
By Megan Elias onRepresent 10 using a number bond and 10-frame with a missing addend. Use Notice and Wonder with a 10-frame,…
- lesson
- Kindergarten
Compare Images and Numbers
By Megan Elias onRepresent 6 with a 10-frame, dot card, and Rekenrek (counting buddy) to tell if Dotson made a Mystery Math…