Student sample work NBT7.pdf - Section 2: Try It Out

 
  Student sample work NBT7.pdf
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What's in Your Zoo?

Unit 1: Numbers & Operation in Base Ten Grade 2
Lesson 8 of 10

Objective: Students will explain why addition and subtraction strategies work using base-ten by creating concrete models, adding up to four two-digit numbers, and mentally adding or subtracting 10 or 100 from a given number within 1000.

Big Idea: In this lesson, students will create pictures using base ten blocks as models for numbers between 200 and 1000.

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31 teachers like this lesson
Subject(s):
Math, Number Sense and Operations, problem solving, reasoning, adding, explain, illustration
  50 minutes
tiger
 
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