The Candy Company sent fifty thousand five hundred lollipops to Sure Mart and sixty five hundred lollipops to Better Buy. Which store received the most lollipops? How many more did they receive? How do you know?

Language, Process & Generalizations

1.01 Develop number sense for rational numbers 0.01 through 99,999.

b)  Build under- standing of place value (hundredths through ten thousands).

From worded problems use base-ten blocks to represent numbers such as 2,143. Connect the model of the number to a place value chart.

SuccessNet Place Value

SuccessNet Decimal Place Value

From worded problems, draw pictures of the base-ten blocks (students can trace) that represent numbers such as 2,143. Use a chart of place values.

Extend the place value chart to include millions place. Use silly stories or sentences to help students memorize the periods in place value.

Labeling the periods and connecting the reading of the periods to the comma can help.

Numbers should be represented in words, standard and expanded notation.

Helping students to see the patterns in place value and describe those patterns will help in long-term recall.

number word

decimal notation

expanded notation/form

standard notation/form

written form

ten-thousands place

thousands place

hundreds place

tens place

ones place

tenths place

hundredths place

hundred board

base ten blocks

Language, Process & Generalizations

1.04 Develop fluency with addition and subtraction of  including decimal fractions through hundredths.

a) Develop and analyze strategies for adding and subtracting numbers.

b) Estimate sums and differences.

c) Judge the reasonableness of solutions

Use real-life situation with pictures of numbers, action words, and number sentences to ensure understanding of addition and subtraction.

RESOURCE:

Subtract from the left:  MOVIE

Lucy’s family visited their grandparents, who live 572 miles from their house. On the first day they drove 389 miles. How many miles do they have left to drive on the second day?

The Bankhead School has 436 girls and 378 boys. How many more girls than boys are there at the school?

Helena had $8.56. She spent $4.35 on a gift for her mother. How much money does Helena have left?

Use model drawing to connect actions, number sentences, and phrases.