
Thư Viện Tiếng Anh
Thư viện tài liệu tiếng Anh miễn phí
Subject: Subtraction Within 20


Additive Inverse Practice

Where’s the Fact Family

Gather the Fact Family Equations

Where Are the Fact Family Number Sentences?

Fact Family Search

Frosty Fact Families: Addition and Subtraction

Number Chart Mystery

Ten Less

Here Comes the Ten Monster!

Subtraction Watermelons

Subtraction to 20

Make it Fair With Equal Groups

The Numbers Are Missing!

Make it the Same

Make Your Own Subtraction Problems

Subtraction Machine
