Day 13: Using Doubles to Subtract

Introduction

Hi Mathematicians,

Today we will learn how to use doubles facts to help us subtract.  You will watch a short video, solve and illustrate problems in your math journal, and then use the interactive below for extra practice. 

Have fun learning!

 

---

Video

 

 

---

Activity

Directions: Solve and illustrate a picture for each of the following doubles facts. Then turn the flashcard over to check your work.

2-1=

4-2=

6-3=

8-4=

10-5=

12-6=

14-7=

16-8=

18-9=

20-10=

 

[CC BY 4.0] UNLESS OTHERWISE NOTED | IMAGES: LICENSED AND USED ACCORDING TO TERMS OF SUBSCRIPTION