'Tens digit' diaporamas de présentation

NUMBER SENSE AT A FLIP

This is a new powerpoint. If you find any errors please let me know at kenneth.lee2@fortbend.k12.tx.us. NUMBER SENSE AT A FLIP. NUMBER SENSE AT A FLIP. Number Sense.

1.23k views • 101 slides

This is a new powerpoint. If you find any errors please let me know at mccoach3@aol

This is a new powerpoint. If you find any errors please let me know at mccoach3@aol.com. NUMBER SENSE AT A FLIP. NUMBER SENSE AT A FLIP. Number Sense.

1.12k views • 99 slides

NUMBER SENSE AT A FLIP

This is a powerpoint to teach number sense tricks. Credit goes to Jeff Boyd for its creation and placement in the public domain. Edited by pthornton52@hotmail.com on Nov. 3, 2017. NUMBER SENSE AT A FLIP. NUMBER SENSE AT A FLIP. Number Sense.

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From Buttons to Algebra:

From Buttons to Algebra:. Paul Goldenberg http://thinkmath.edc.org Some ideas from the newest NSF program, Think Math!. Learning the ideas and language of algebra, K-12. from and Harcourt School Publishers Rice University, Houston, Sept 2007. http://thinkmath.edc.org

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EXAMPLE 2

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n equations in n unknowns

n equations in n unknowns. 3 equations in 3 unknowns. 1 equation: 3 x + 4y + 16z = 12 many solutions ( x=0, y=3, z=0 / x=4, y=0, z=0 / etc. ) 2 equations: 3 x + 4y + 16z = 12 6x - 17y - 23z = -168 solutions become limited...

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Bellwork

Clickers. Bellwork. Determine whether the two triangles are similar Set 1 ? ABC: m ? A=90 o , m ? B=44 o ? DEF: m ? D=90 o , m ? F=46 o Set 2 ? ABC: m ? A=132 o , m ? B=24 o ? DEF: m ? D=90 o , m ? F=24 o Solve for x

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Naming Polygons

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Seek The Multiplication Treasure

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Logic Experiment 4

Logic Experiment 4. ?????? ?????? ???. BCD Adder. Equipment ? IC ? 7408 x 1 ? 7432 x 1 ? 7483 x 2 ? 7447(DCBA) x 1 ? LED x 1 ? 7-Segment LED x 1. Review BCD number addition. >9 => add 6. Tens digit Units digit. Two units digit decimal number ex: 7+8=15

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Estimating or Rounding

Estimating or Rounding. Rules and exercises to estimate numbers to tens, hundreds, or thousands. Rounding to Tens. When estimating to tens look at the ones digit. If the digit is 5 or more, the rounding goes up. If the ones digit is 4 or less, the rounding goes down.

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Estimating or Rounding

Estimating or Rounding. Rules and exercises to estimate numbers to tens, hundreds, or thousands. Rounding to Tens. When estimating to tens look at the ones digit. If the digit is 5 or more, the rounding goes up. If the ones digit is 4 or less, the rounding goes down.

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Lesson 4-13 Example 2

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Lattice Multiplication A NEW way to Multiply

Lattice Multiplication A NEW way to Multiply. By: Mrs. Overley 4 th Grade Math Teacher. Directions!!!!!!. Lattice Multiplication. First Look your problem. Determine the number of digits in the first factor. (The numbers on the Top)

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Starter Questions

28 o. 39 x 30. Starter Questions. Whole Numbers. Rounding to nearest 10, 100 and 1000. Learning Intention. To round numbers to the nearest 10, 100 and 1000. Whole Numbers. Rounding to nearest 10, 100 and 1000. To round to the nearest 10 : look at the units digit:.

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Lesson 4-8 Example 2

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Lesson 4-13 Example 3

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Decimals - ordering and rounding

Decimals - ordering and rounding. Jot down a two-digit number, for example, 43 Double the tens digit (8) and add 5 times the units digit (15) giving (8 + 15 =) 23 . Double the tens digit (4) and add 5 times the units digit (15) giving (4 + 15 =) 19 . Keep repeating these steps.

168 views • 1 slides