Lesson: Doubles Plus One Elementary School Mathematics 1st Grade • JUMPMath 2.1 • Part 1 of 2 • Assessment & Practice • US Edition • Go Math! • Grade 2 • Common Core • Math Connects • Grade 2 • Volume 1 • Student Edition • enVisionmath2.0 • Grade 2 • Volume 1 • Common Core

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:

Victoria was asked to solve .

She wrote

Is her solution correct?

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