 # Everyday Math 1st Grade- Lesson 9.2 (Smartboard Lesson) 1st
Subjects
Standards
Formats Included
• NOTEBOOK (SMARTboard) File
Pages
19 pages

### Description

This is an interactive Smartboard lesson developed using the 2012 Everyday Mathematics program. The lesson follows exactly what the Teacher's Edition does, but provides an interactive approach.
Total Pages
19 pages
N/A
Teaching Duration
N/A
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### Standards

to see state-specific standards (only available in the US).
Subtract multiples of 10 in the range 10-90 from multiples of 10 in the range 10-90 (positive or zero differences), using concrete models or drawings and strategies based on place value, properties of operations, and/or the relationship between addition and subtraction; relate the strategy to a written method and explain the reasoning used.
Given a two-digit number, mentally find 10 more or 10 less than the number, without having to count; explain the reasoning used.
Add within 100, including adding a two-digit number and a one-digit number, and adding a two-digit number and a multiple of 10, using concrete models or drawings and strategies based on place value, properties of operations, and/or the relationship between addition and subtraction; relate the strategy to a written method and explain the reasoning used. Understand that in adding two-digit numbers, one adds tens and tens, ones and ones; and sometimes it is necessary to compose a ten.
Organize, represent, and interpret data with up to three categories; ask and answer questions about the total number of data points, how many in each category, and how many more or less are in one category than in another.