4.NBT.1

Support Videos & Extra Practice

In this standard, students must understand that the place value system is based on units of ten. Therefore, a digit in the tens place is ten times greater than the same digit in the ones place.

Example: In the number 74, the value of the 7 is 70. In the number 17, the value of the 7 is 7. The value of the 7 in 74 is 10 times greater than the value of the 7 in 17.

Example: The value of 5 in 5,210 is ___________ times the value of the 5 in 3,251. (The correct answer is 100 times)

A lot of students will answer 20 for this question. They believe that two place values would be 10 + 10. One way to clarify this mistake is to think about the value of the digit. The 5 in 5,210 is 5,000. The 5 in 3,251 is 50.

50 x 100= 5,000 OR 5,000 ÷ 50 = 100

Model numbers using base ten blocksIn this lesson, you will learn how to model numbers in various ways by using base ten blocks.

Use a place value chart and arrow cards to understand large numbersIn this lesson, you will learn about place value with larger numbers by using a place value chart and arrow cards.

Understand relationships between digits and their place valueIn this lesson, you will learn about the relationships between digits and their place value by using base ten blocks and a place value chart.

Understand place value: multiplying by a power of 10In this lesson you will learn the relationship between place values by multiplying numbers by a power of 10.

Multiplication with Multiples of Ten Practice

Examining Whole Number Digit Place Values Practice

Using Place Value to Solve Problems Practice

Back to Number & Operations in Base Ten

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