Keys Skills

Multiplication using lattice method

STUDENT VERSION

Outcomes from this session

At the end of this session you should be able to

Understand how to multiply decimals using the lattice method

Complete practical examples to verify learning

Multiply 301 x 1.2

Multiply 4.5 x 631

Multiply 18.4 x 2.1

Multiply 960 x 0.42

Multiply 134 x 1.2

Multiply 13.4 x 1.2

Multiply 1.34 x 1.2

Jon bought 27 lengths of decking each 1.75m long

What was their total length

Talia worked for 23 hours at a rate of £6.35 an hour.

How much was the total earnings?

Gwen sells kites for £4.75 each. She sells 26 kites.

How much does she get for the 26 kites?

A shop sells plants for 95p. Find the cost of 35 plants?

Further exercises

1a. 257 x 57

b. 309 x 8.3

c. 573 x 0.48

d. 812 x 603

e. 912 x 56.3

Further exercises

2. A caterer charges £16 per head. How much is the charge for 45 people?

3. There are 48 tins in each tray. How many are there in 35 trays?

Further exercises4. A school has 36 classes. Each class has 31 children. How many

children are there at the school?

5. A concert hall has 85 rows of 48 seats. What is the total number of seats?