- lesson
- 3rd Grade
Round to the Nearest 10 or 100
By Megan Elias onWarm up with a Mystery Math Mistake to hunt for the mistake made counting up on the number line.…
- lesson
- 2nd Grade
Line Plots
By Megan Elias onWarm up with a Mystery Math Mistake to find the mistake made in counting up on a number line…
- lesson
- 1st Grade
Subtraction Strategies
By Megan Elias onWarm up with a Mystery Math Mistake to find the error in DC's addition. Use different strategies to subtract…
- lesson
- Kindergarten
Ways to Make Different Shapes
By Megan Elias onWarm up with a Mystery Math Mistake to tell whether Dotson's 10-frames represent a number less than his focus…
- lesson
- 3rd Grade
Learning about Rounding
By Megan Elias onWarm up with a Mystery Math Mistake to hunt for the mistake made counting up on the number line.…
- lesson
- 2nd Grade
Story Problems about Length
By Megan Elias onWarm up with a Mystery Math Mistake to find the mistake made in counting up on a number line…
- lesson
- 1st Grade
Near Doubles
By Megan Elias onWarm up with a Mystery Math Mistake to add 9 and 5 using a double 10-frame and a decompose…
- lesson
- Kindergarten
Put Shapes Together
By Megan Elias onWarm up with a Mystery Math Mistake to tell whether Dotson's 10-frames represent a number more than his focus…