This is a first grade blog designed to help my class with our Go Math Program. The Go Math Program is designed to go along with the Common Core Standards. Each lesson covers a different standard, gives the objective, new vocabulary words that were introduced, and a video that explains the homework sheet. I hope this is helpful to my classroom as well as others!

Monday, February 10, 2014

Chapter 8- Two-Digit Addition and Subtraction

Lesson 8.1- Add and Subtract within 20

Objective-Add and Subtract within 20.

Question- What strategies can you use to add and subtract?

Homework Video-

Lesson 8.2-Hands On- Add Tens

Objective- Draw a model to add tens.

Question- How can you add tens?

Homework Video-

Lesson 8.3-Hands on- Subtract Tens

Objective- Draw a model to subtract tens.

Question- How can you subtract tens?

Homework Video-

Lesson 8.4-Use a Hundred Chart to Add

Objective-Use a hundred chart to find sums.

Question-How can you use a hundred chart to count on by ones and tens?

Homework Video-

Lesson 8.5-Hands on- Use Models to Add

Objective- Use concrete models to add ones or tens to a two-digit number.

Question-How can models help you add ones or tens to a two-digit number?

Homework Video-

Lesson 8.6-Hands on- Make Ten to Add

Objective-Make a ten to add a two-digit number and a one-digit number.

Question-How can making a ten help you add a two-digit number and a one-digit number?

Homework Video-

Lesson 8.7-Hands on- Use Place Value to Add

Objective- Use tens and ones to add two-digit numbers.

Question-How can you model tens and ones to help you add two-digit numbers?

Homework Video-

Lesson 8.8- Problem Solving- Addition Word Problems

Objective-Solve and explain two-digit addition word problems using the strategy draw a picture.

Question- How can drawing a picture help you explain how to solve an addition problem?

Homework Video-

Lesson 8.9- Practice Addition and Subtraction

Objective-Add and subtract within 100, including continued practice with facts within 20.

Question- What different ways can you use to add and subtract?

Thank you so very much, this was very helpful!!

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