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## MTH201-Exam 1 Review

1 review
by: Rachel Sanborn

164

2

3

# MTH201-Exam 1 Review MTH201

Marketplace > Michigan State University > Math > MTH201 > MTH201 Exam 1 Review
Rachel Sanborn
MSU
GPA 3.766
Elementary Math for Teachers 1
C. Ang

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COURSE
Elementary Math for Teachers 1
PROF.
C. Ang
TYPE
Study Guide
PAGES
3
WORDS
KARMA
50 ?

## 2

1 review
"If Rachel isn't already a tutor, they should be. Haven't had any of this stuff explained to me as clearly as this was. I appreciate the help!"
Willard Johns MD

## Popular in Math

This 3 page Study Guide was uploaded by Rachel Sanborn on Wednesday February 11, 2015. The Study Guide belongs to MTH201 at Michigan State University taught by C. Ang in Fall. Since its upload, it has received 164 views. For similar materials see Elementary Math for Teachers 1 in Math at Michigan State University.

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## Reviews for MTH201-Exam 1 Review

If Rachel isn't already a tutor, they should be. Haven't had any of this stuff explained to me as clearly as this was. I appreciate the help!

-Willard Johns MD

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Date Created: 02/11/15
Sanborn 1 Exam 1 Review 1116 2131 Place Value 0 Place Value the value of the digit is dependent on its position 1 Form bundles of 1 10 100 1000 etc 2 If necessary rebundle to ensure there are at most 9 bundles of each denomination 3 Count the of bundles of each denomination value unit size and record in appropriate position 3782 we have two bundles of 1 seven bundles of 10 eight bundles of 100 and three bundles of 1000 Decimal System base 10 hundredth tenthsm CounUng 1 Set model counting discrete objects Pictures of objects Grouping 2 Measure model a scale along which one measures a quantity Number line Distance Time Weight 0 Egyptian Numerals 1 quotheelquot 10 tallies 2 quotscrollquot 100 tallies 3 quotlotusquot 1000 tallies 0 Roman Numerals 1 I 1 v5 2 X 10 L50 3 C 100 century D500 4 M 1000 millennium V4 0 Problems to help develop place value skills 1 Chip Model 2 Expanded Form Addition 0 Addition combining numbers summands or addends Properties 0 Andy Order Property 5 can be added in any order 0 Associativity 123 123 o Commutativity 12 21 0 Additive Identity 10 1 Rebundling 1735 where one39s place ends up more then 9 Addition Algorithims Algorithim a step by step procedure which is used to solve a speci c class of problems 1 Standard addition algorithm 362234 300602 200304 30020050 603090 246 596 Subtraction Subtraction missing summands Part whole interpretation part is given how much more needed to make whole Sanborn 2 1 Set model I have 12 marbles 3 are red the ist are blue How many are blue 2 Measurement model I drove 120 miles and stopped to refuel at 90 mileshow much farther to go Take away interpretation removing objects Decreasing measurement by a speci c amount 1 Set model I have 12 eggs I use 5 How many are E 2 Measurement Model My candle is 10 inches tall lt shortens by 2 inches Now how tail is it Comparison interpretation Compare 2 different sets where subtraction is their difference 1 Set model I have 10 and you have 7 How much more dollars do I have then you 2 Measurement model I m 63 inches tall and you are 58 inches tall How much more tall am I Subtraction is de ned in terms of missing addends the number 52 is the missing number in this equation 25 Decomposing quotBorrowingquot Convert 1 ten to 10 ones Multiplication Multiplication repeated addition Set model 3x5 xxxxx xxxxx xxxxx quot3 groups of ve objectsquot Measurement model 3x5 quot3 hops of length vequot I want to make 8 cakes Each cake takes 30 minutes to make How long will It take to make 8 cakes Rectangular array model xxxxx x x x x x 3x5 quot3 rows by 5 columnsquot xxxxx Properties 1 Multiplicative ldentity 5x1 5 2 Associativity 3x2x5 3x2x5 3 Communitivity 3x2 2x3 4 Distribution law 345 3x4 3x5 68 gt 2x32x4 gt 234 XXXXXXXXX XXXXXXXXX XXXXXXXXX Division Interpretations 1 Partitave division How large are the parts 204 gt 20 is 4 lengths of what size Set model l have 15 pieces of candy to put in 5 bags How much candy will each bag have Measurement model 2 Measurement division How many parts will t 204 gt 20 is how many groups of 4 Set model xxxxx xxxxx xxxxx Measure model x x x x x xxxxx xxxxx l have 15 minutes to cut up my apples how many apples can I cut if each apple takes 5 minutes to cut Sanborn 3 Quotient Remainder Theorem given any two whole 5 A and K there are unique whole 5 qquotient and rremainder so that AK x qr o s r lt k 35A 22K q1 r13 3522x 113 Division is de ned in terms of missing factors The number 243 is missing the number in the equation is what 3 x 24 63633 1211111

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