Chapter 4.3 (Mathematics 5)

Multiplication of a 3-digit number by a 2-digit number with regrouping

Multiplication of a 3-digit number by a 2-digit number with regrouping

Group Activity 2

Multiply 375 by 26.

In pairs:

  1. Write 375 in expanded form.
  2. Multiply 5 by 26, 70 by 26 and 300 by 26.
  3. Add the products.
  4. Discuss the results with other groups.

Example 3

Work out the following: 487 × 34

Exercise C

  1. 87 × 31 = 
  2. 63 × 27 = 
  3. 82 × 47 = 
  1. 904 × 63 = 
  2. 197 × 56 = 
  3. 777 × 33 = 

C3

Multiply:

  1. 253 by 34
  2. 218 by 45
  3. 719 by 14
  4. 810 by 24
  5. 443 by 30
  6. 184 by 76

324  18 = 

C5

The price of a bag of cement is Sh 580. What is the total price of 23 bags?

C6

A tourist company has 247 minibuses. Each minibus carries 32 tourists. How many tourists can be transported by all the minibuses in one trip?