Five pages on writing one number in many ways. Page 1 starts with a place value chart: cover the places to the right of the hundreds and the digits left show how many hundreds (4,600 is 46 hundreds, and 460 tens); students then rename six numbers and write eight numbers given in hundreds, tens, thousands or ten thousands. Page 2 shows a number and ten times that number in a chart, each digit one place further left; students fill in charts, complete "ten times" sentences and find how many times a digit's value is another's. Page 3 writes numbers from a mix of units that need regrouping (4 ten thousands 13 hundreds 6 ones is 41,306), fills in the missing unit in a number split in an unusual way, and compares amounts written in different units. Page 4 goes to nine-digit numbers: the millions period in the chart, standard, word and expanded form, and comparing. Page 5 renames millions (35,000,000 is 35 millions or 35,000 thousands), finds ten times a number in the millions, orders nine-digit numbers and compares amounts in millions and thousands. The first problem in each part is worked as an example.
Write 4,600 in a place value chart on the board and cover the tens and ones with a sticky note: what is left says 46, so 4,600 is 46 hundreds. Move the note one place to the right to read 460 tens. Ask students to rename a number in three ways before page 1, and to explain on page 2 why ten times a number moves every digit one place.
Use money: $4,600 could be 46 hundred-dollar bills or 460 ten-dollar bills. Ask your child how many hundreds are in the price of something big, and how many tens. Read large numbers from the news together and say them in words.
This pack supports the following Common Core State Standards for Mathematics:
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One number written many ways: 4,600 is 46 hundreds or 460 tens, and a mix of units like 4 ten thousands 13 hundreds 6 ones is one number. Students rename numbers in other units, find ten times a number as its digits move one place, compare amounts written in different units, and read, write and compare numbers to 999,999,999.
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