Chapter 1.1 (Mathematics G7)

Place value of digits up to hundreds of millions

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Activity 1

Work in groups

  1. Write any eight‐digit number.
  2. Represent the numbers in the place value chart as shown below.
  3. Write the place value of each digit in the number.
  4. Discuss and share with other groups.

Place value

Digit

Ten millions

Millions

Hundred thousands

Ten thousands

Thousands

Hundreds

Tens

Ones

Place value of

  1.  is
  2.  is
  3.  is
  4.  is
  5.  is
  6.  is
  7.  is
  8.  is

Learning point

99 999 999 + 1 = 100 000 000.

100 000 000 is one hundred million.

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Activity 2

Work in pairs

  1. Write any nine‐digit number.
  2. Represent the number in a place value chart shown.
  3. Write the place value of each digit in the number.

Place value

Digit

Hundred millions (Hm)

Ten millions (Tm)

Millions (M)

Hundred thousands (HTh)

Ten thousands (TTh)

Thousands (Th)

Hundreds (H)

Tens (T)

Ones (O)

Place value of

  1.  is
  2.  is
  3.  is
  4.  is
  5.  is
  6.  is
  7.  is
  8.  is
  9.  is

Learning point

The 9th digit is in hundred millions place value.

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Example 1

Use a place value chart to identify and write the place value of each digit in the number 543 276 891.

Solution

Place value

Digit

Hundred millions

5

Ten millions

4

Millions

3

Hundred thousands

2

Ten thousands

7

Thousands

6

Hundreds

8

Tens

9

Ones

1

Place value of

5 is

hundred millions

4 is

ten millions

3 is

millions

2 is

hundred thousands

7 is

ten thousands

6 is

thousands

8 is

hundreds

9 is

tens

1 is

ones

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Exercise 1

Write the place value of digit 7 in the number 65 784 932.

  • The place value of 7 is .

Write the place value of digit 9 in the number 964 085 231.

  • The place value of 9 is .

Place value

Hm

Tm

M

HTh

TTh

Th

H

T

O

15 470 896

984 370 925

548 874 329

999 999 999

A factory produced 632 905 984 pencils in a certain year. Write the place value of each of the following digits in the number.

  1. 8 
  2. 5 
  3. 2 
  4. 6  

In a certain year, a county spent Ksh 764 089 532 on infrastructure. Write the place value of the following digits in the number.

  1. 9 
  2. 8 
  3. 4 
  4. 7 
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