# 4.1B 4.1Number, operation, and quantitative reasoning. The student uses place value to represent whole numbers and decimals. B. use place value to read,

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4.1B 4.1Number, operation, and quantitative reasoning. The student uses place value to represent whole numbers and decimals. B. use place value to read, write, compare, and order decimals involving tenths and hundredths, including money, using concrete objects and pictorial models.

Outline Vocabulary Vocabulary Activity Activity Skill Practice Skill Practice TAKS practice TAKS practice Useful Links Useful Links Credits Credits

VOCABULARY Place value Place value The value determined by the position of a digit in a number The value determined by the position of a digit in a number

VOCABULARY Valor de posición Valor de posición El valor determinando por la posición de un dígito en un número El valor determinando por la posición de un dígito en un número

VOCABULARY Digit Digit The symbols 0, 1, 2, 3, 4, 5, 6, 7, 8, and 9 used to write numbers The symbols 0, 1, 2, 3, 4, 5, 6, 7, 8, and 9 used to write numbers

VOCABULARY Dígito Dígito Los símbolos 0, 1, 2, 3, 4, 5, 6, 7, 8, and 9 que se usan para escribir números Los símbolos 0, 1, 2, 3, 4, 5, 6, 7, 8, and 9 que se usan para escribir números

VOCABULARY Whole number Whole number Any of the counting numbers, including 0… 0, 1, 2, 3… 21, 22, 23, 24... Any of the counting numbers, including 0… 0, 1, 2, 3… 21, 22, 23, 24...

VOCABULARY Número entero Número entero Conjunto de numeros que se cuentan incluyendo cero… 0, 1, 2, 3… 21, 22, 23, 24... Conjunto de numeros que se cuentan incluyendo cero… 0, 1, 2, 3… 21, 22, 23, 24...

VOCABULARY Greater than Greater than The symbol (>) used to compare two numbers when the larger number is on the left The symbol (>) used to compare two numbers when the larger number is on the left

VOCABULARY Mayor que Mayor que El símbolo (>) que se usa para comparar dos números cuando el número mayor está a la izquierda. El símbolo (>) que se usa para comparar dos números cuando el número mayor está a la izquierda.

VOCABULARY Less than Less than The symbol (<) used to compare two numbers when the smaller number is on the left. The symbol (<) used to compare two numbers when the smaller number is on the left.

VOCABULARY Menor que Menor que El símbolo (<) que se usa para comparar dos números cuando el número menor está al lado izquierdo. El símbolo (<) que se usa para comparar dos números cuando el número menor está al lado izquierdo.

VOCABULARY Ones Ones The first place in each period (starting from the decimal point). The first place in each period (starting from the decimal point).

VOCABULARY Unidades Unidades El primer lugar en cada periodo (empezando del punto decimal). El primer lugar en cada periodo (empezando del punto decimal).

VOCABULARY Tens Tens The second place in each period (starting from the decimal point). The second place in each period (starting from the decimal point).

VOCABULARY Decenas Decenas El secondo lugar en cada periodo (empezando del punto decimal). El secondo lugar en cada periodo (empezando del punto decimal).

VOCABULARY Hundreds Hundreds The last place in each period (starting from the decimal point). The last place in each period (starting from the decimal point).

VOCABULARY Centenas Centenas El último lugar en cada periodo (empezando del punto decimal). El último lugar en cada periodo (empezando del punto decimal).

VOCABULARY Tenths Tenths The first number to the right of the decimal point. The first number to the right of the decimal point.

VOCABULARY Décimas Décimas El primer número a la derecha del punto decimal. El primer número a la derecha del punto decimal.

VOCABULARY Hundredths Hundredths The second number to the right of the decimal point. The second number to the right of the decimal point.

VOCABULARY Centésimas Centésimas El segundo número a la derecha del punto decimal. El segundo número a la derecha del punto decimal.

VOCABULARY Expanded form Expanded form A way to write numbers that shows the value of each digit A way to write numbers that shows the value of each digit

VOCABULARY Forma desarrollada Forma desarrollada Una forma de escribir números que muestra el valor de cada dígito Una forma de escribir números que muestra el valor de cada dígito

VOCABULARY Word form Word form A number written in words A number written in words

VOCABULARY Forma escrita Forma escrita Una forma de escribir números usando palabras Una forma de escribir números usando palabras

ACTIVITIES DECIMAL GAMES DECIMAL GAMES http://www.decimalsquares.com/dsGames/ DEATH TO DECIMALS http://www.mrnussbaum.com/deathdecimals.htm ORDERING DECIMALS – BUILDER TED http://www.bbc.co.uk/education/mathsfile/shockw ave/games/laddergame.html http://www.bbc.co.uk/education/mathsfile/shockw ave/games/laddergame.html DECIMALS OF THE CARIBBEAN (CUTE) http://www.mrnussbaum.com/docrb2.htm

SKILL PRACTICE

Click on the digit in the tenths place: Click on the digit in the tenths place:

SKILL PRACTICE

Click on the number that is 500 more than 2,304. Click on the number that is 500 more than 2,304.

SKILL PRACTICE

Click on the number that is 3000 less than 1,745,830. Click on the number that is 3000 less than 1,745,830.

SKILL PRACTICE

In the number 245,380, the 2 represents what? In the number 245,380, the 2 represents what?

SKILL PRACTICE

How is 92,051,580 written in words? How is 92,051,580 written in words?

SKILL PRACTICE

How is one hundred six million, three hundred twenty-five thousand, forty-two written using numbers? How is one hundred six million, three hundred twenty-five thousand, forty-two written using numbers?

SKILL PRACTICE

TAKS PRACTICE There were five hundred eight million, twenty-six thousand, five hundred thirty people who came to see a new movie in the first month it was showing. What is the number of people in standard form. There were five hundred eight million, twenty-six thousand, five hundred thirty people who came to see a new movie in the first month it was showing. What is the number of people in standard form.

TAKS PRACTICE

Which list shows the jelly beans in order from the greatest number to the least number? A. Red, Orange, Yellow, Green Blue, Purple B. Yellow, Red, Purple, Blue, Green, Orange C. Yellow, Red, Purple, Blue, Orange, Green D. Yellow, Purple, Red, Blue, Green, Orange Jelly Beans Red439,876 Orange389,008 Yellow493,987 Green398,009 Blue401,123 Purple410,999

TAKS PRACTICE