# Everyday Math 1st Grade- Lesson 9.4 (Smartboard Lesson)

Subject
File Type

NOTEBOOK (SMARTboard) File

(1 MB|16 pages)
Standards
• Product Description
• StandardsNEW
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.
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.
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.
Total Pages
16 pages
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Teaching Duration
N/A
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