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# Place Value

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### Place Value

1. 1. PLACE VALUE Math 1 st Grade
2. 2. Review: One Digit Numbers <ul><li>0 2 4 6 8 </li></ul><ul><li> 1 3 5 7 9 </li></ul>
3. 3. Review: Two Digit Numbers <ul><li>Two digit numbers have two numbers. </li></ul><ul><li>Each number has a different place value. </li></ul><ul><li>Examples: </li></ul><ul><li>12 86 57 </li></ul><ul><li> 32 99 40 </li></ul><ul><li>29 41 73 </li></ul><ul><li>10 64 85 </li></ul>
4. 4. Place Value: What is it? <ul><li>Place value is the value of the position of a number. </li></ul>
5. 5. Place Value: the number 15 <ul><li>15 </li></ul><ul><li>Let’s look at the number fifteen: </li></ul><ul><li>-it has two digits </li></ul><ul><li>-the left digit is the tens’ place </li></ul><ul><li>-the right digit is the ones’ place </li></ul><ul><li>-the value of the number 1 is ten </li></ul><ul><li>-the value of the number 5 is five </li></ul>
6. 6. Place Value: the number 15 <ul><li>1 ten </li></ul>5 ones
7. 7. Let’s Practice Place Value 28 has ____ ones and ____ tens 61 has ____ ones and ____ tens 54 has ____ones and ____ tens 30 has ____ ones and ____tens 96 has ____ones and ____ tens You’re a math genius!