## Introducing 100 Grid Challenge.m4v - Section 2: Introducing 100 Grid Challenge

Introducing 100 Grid Challenge.m4v

# Using the Number Grid to Add or Subtract Ten

Unit 12: The Ten Concept: Counting On and Off the Decade and Knowing 10 More/ 10 Less
Lesson 3 of 9

## Objective: SWBAT add or subtract ten to/from a 2 digit number.

### Thomas Young

203 Lessons14 new

## Big Idea: The Number Grid Challenge. Students will play a game that requires them to add or subtract ten from a number using the number grid. They will record their results using standard notation.

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Standards:
Subject(s):
Math, Number Sense and Operations, 1st Grade, adding ten, subtracting ten, counting by 10
70 minutes

### Thomas Young

203 Lessons | 14 new

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