4.NBT.4

Fluently adds and subtracts multi-digit whole numbers using a standard algorithm.

Lesson 4.NBT.4

Concepts addressed :

• Understand what adding and subtracting numbers mean

• Understand the most efficient way to solve an addition or subtraction problem

• Understand the standard algorithm, then be able to apply it to basic addition and subtraction problems

Key terms for this lesson:

• Addition - the process of combining two numbers

• Subtraction - the process of finding the difference between two numbers

• Standard Algorithm - the most efficient way to add or subtract numbers

• Regrouping - making a group of 10 when solving an equation

Lining up addition and subtraction statements!

115KB

Lesson 4.NBT.4.docx

Lesson 4.NBT.4

76KB

Lesson 4.NBT.4 Questions + Key.docx

Lesson 4.NBT.4 Questions + Keys

This worksheet went over:

• The true meaning of adding and subtracting numbers

• The quickest and most reliable way to solve an addition or subtraction problem

• The standard algorithm

• And many practice problems!

Additional practice:

• 4.NBT.4 IXL

• 4.NBT.4 IXL

• 4.NBT.4 IXL

• 4.NBT.4 IXL

• 4.NBT.4 Khan Academy

• 4.NBT.4 Khan Academy

Lesson Complete!