Lesson: Making Two-Digit Numbers Mathematics • 1st Grade
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
Complete the following: ?
Which place value table also shows 74?
Hint: Regroup tens into ones.
Michael 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.