Lesson: Doubles Plus One Elementary School • Mathematics • 2nd Grade • Elementary School Mathematics 1st Grade

Mathematics

In this lesson, we will learn how to add two consecutive numbers with sums up to 20 by finding one more than a doubles fact.

Sample Question Videos

Q1:

Use

to find

Q2:

Notice that 4 is one more than 3.

So the answer to is one more than the answer to .

If , which of the following is equal to ?

Q3:

Olivia was asked to solve .

She wrote

Is her solution correct?

Preview