Your Kid’s Math Homework · Chapter 2

Place Value Explorer

A digit’s value depends on its place, and every place is worth ten of the place to its right. Renaming a number is the move behind every carry and every borrow.

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Opens on Chapter 2’s example: 345 renamed as 2 hundreds, 14 tens and 5 ones, and $3.47 as 347 pennies.

Money is place value
Enter the numbers from the worksheet, then press Show me.
From the book, Chapter 2. 345 is 3 hundreds, 4 tens and 5 ones; trade one hundred for ten tens and it is 2 hundreds, 14 tens and 5 ones, or 34 tens and 5 ones. That renaming is what “regrouping” and “exchanging” mean in Chapter 5, and it is the first step of division in Chapter 8.

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