Module 3

Module 3 Lesson 5

Problem Solving • Freddy has $250 in ten dollar bills. How many ten dollar bills does Freddy have?

Problem Solving • Freddy has $250 in ten dollar bills. He gave 6 ten dollar bills away to his brother. How many ten dollar bills does he have left? 100 210 220 230 240 250 20 10 40 50 60 70 80 90 30 100 200 Wait, we don’t have enough tens. Where can we get more tens to take away? Now, can we take away the last ten dollar bill? Can we take away 6 ten dollar bills? How many hundreds and tens does Freddy have now? Does that answer our problem?

Problem Solving • Freddy has $250 in ten dollar bills. He gave 6 ten dollar bills away to his brother. How many ten dollar bills does he have left? How many tens does Freddy have now?

Place Value Count with me 1 one, 2 ones, 3 ones, 4 ones. 1 ten, 2 tens, 3 tens. 1 hundred, 2 hundred.

Place Value Can I make larger units?

Place Value 2 hundreds 4 ones 3 tens In order from greatest to smallest, how many of each units are there?

Place Value 2 hundreds 4 ones 3 tens 2 4 3 What number does that represent?

Place Value 2 hundreds 4 ones 3 tens 2 4 3 What if I had 3 tens, 4 ones and 2 hundreds? 234 is called unit form

Let’s show 563 in Base ten form 5 60 6 3 3 500 What is the amount of each? This is called the expanded form Now show me the unit form

Now try 627 without a place value chart. Show the number in expanded form 627 600 7 20

Show the number in base ten form 627 600 7 20 6 hundreds 2 tens 7 ones

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