Lesson: Making Two-Digit Numbers Elementary School Mathematics 1st Grade • JUMPMath 2.1 • Part 1 of 2 • Assessment & Practice • US Edition

Mathematics

In this lesson, we will learn how to decompose two-digit numbers into tens and ones in different ways, using patterns to find all the ways.

Sample Question Videos

Q1:

Complete the following: ?

Q2:

Which place value table also shows 74?

Hint: Regroup tens into ones.

Q3:

Daniel knows that 32 is 3 tens and 2 ones.

There are other ways to make 32.

Regroup 1 ten into 10 ones. Find the missing part.

32 is 2 tens and ones.

Regroup another ten into 10 ones. Find the missing part.

32 is 1 ten and ones.

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