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Cogito

Grade 4 Math · Chapter 1 · Lesson 2

Practice Worksheet

Reading and Writing Large Numbers

Thousands, ten thousands, hundred thousands.

10 problems · about 14 minutes · 4.NBT.A.2

NameDate

Figure — use these to answer the problems

Build a number and read all three forms underneath.

Hundreds

7

Tens

1

Ones

5

seven hundred fifteen

700 + 10 + 5 = 715

The number715
Figure 1

Warm-Up Review

From earlier lessons. Loosen up before the new work.

3 problems

  1. From “Ten Times Bigger”

    In 6,283, what is the 2 worth?

    Answer

  2. From “Ten Times Bigger”

    Moving a digit one place to the left multiplies its value by what?

    Answer

  3. From “Ten Times Bigger”

    In 8,340, what is the 8 worth?

    Answer

Warm Up

Straightforward practice. Get the method working first.

3 problems

  1. 60,000 + 700 + 8 in digits?

    Answer

  2. What does a comma do in a large number?

    • It groups the digits in threes.
    • It marks a decimal point.

  3. 20,000 + 5,000 + 400 + 30 + 1 in digits?

    Answer

Build It Up

The same ideas with more to keep track of.

1 problem

  1. In 87,502, what is the 7 worth?

    Answer

Stretch Yourself

Mixed problems. Work out what kind of question it is before you start.

3 problems

  1. How many digits are in each period?

    Answer

  2. Writing It Down

    What is 40,000 + 3,000 + 200 + 6 in digits?

    Answer

  3. The Missing Tens

    In 50,904, what is the 9 worth?

    Answer