Lesson: Relating Addition to Subtraction: Numbers up to 10 Elementary School Mathematics 1st Grade • Elementary School Mathematics Kindergarten

Mathematics

In this lesson, we will learn how to write a family of addition and subtraction facts linking three numbers up to 10.

Video

10:07

Q1:

There are 5 green counters and 4 blue counters.

There are 9 counters altogether.

Finish the family of facts.

Q2:

Here are two number sentences that have a missing number: What is the missing number that completes both of the number sentences?

Q3:

The total number of building blocks is . Write a subtraction equation to show how many building blocks are green.

Preview Download