Lesson: Mental Subtraction of Numbers up to 10,000

Mathematics

In this lesson, we will learn how to use different strategies to subtract numbers with up to four digits efficiently.

Worksheet

Q1:

Chloe has 5,655 pounds and she buys a cell phone for 2,450 pounds. How much money is left with her?

Q2:

Natalie wants to calculate . She thinks that if she changes the subtraction to , it will be easier to calculate.

Using Natalie’s method, what is ?

Q3:

Anthony scores 563 points in a game. He then loses 252 points. How many points does he finish the game with?

Preview