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Chaper 4 Lesson 6

Rewrite Two-Digit Subtraction

Problem of the Day

Problem of the Day

Lara and Bob found 24 golf balls on the golf course. Lara took 11. How many were left for Bob? How do you know?

_____ golf balls

Quick Check

Quick Check

Essential Question

Essential Question

How can I subtract two-digit numbers?

Objective

Objective

By the end of the lesson what will we be able to do?

We will be able to take a subtraction problem written horizontally, switch it vertically, and solve.

Ex: 43-25= _____ --------> 43

-25

------

How can you write a two-digit subtraction problem two different ways?

Model

Model the Math

Model the Math

Solve.

56-19=____

Guided Practice

Guided Practice

Talk Math

Talk Math

Why is it helpful to rewrite subtraction?

Complete Independent Practice

Problem Solving

There are 64 flowers growing in Tyler's garden. He picks 18 flowers. How many flowers are left in the garden?

____ flowers

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