iReady Grade 3 - Lesson 4 - Work/Talk

Front

What is regrouping in mathematics?

Back

Regrouping is the process of rearranging numbers to make calculations easier, often by converting larger units into smaller units.

Front

How do you regroup 13 tens as hundreds and ones?

Back

1 hundreds and 3 tens.

Front

What is the standard form of 12 tens?

Back

120.

Front

What is expanded form in mathematics?

Back

Expanded form is a way of writing numbers to show the value of each digit.

Front

How is four hundred ninety-five written in expanded form?

Back

400 + 90 + 5.

Front

What does the term 'place value' mean?

Back

Place value is the value of a digit based on its position in a number.

Front

What is the place value of 9 in the number 495?

Back

90.

Front

How do you convert tens to hundreds?

Back

By regrouping, where 10 tens equal 1 hundred.

Front

What is the value of 3 in the number 3,245?

Back

3,000.

Front

What is the difference between standard form and expanded form?

Back

Standard form is the usual way of writing numbers, while expanded form breaks down the number into the sum of its parts.