Long Multiplication ÷ ÷ + ÷ ÷ + Using the ‘Grid Method’

14 x 5 How do we go about working out this sum? How good is your 14 times table? There is an easy way...

Easy as: 1 2 3

Step 1: 14 x 5 Split each double digit number into TENS and UNITS = Tens Units

Place these at the top of your Grid Place the left over number down the side 5

Step 2: Multiply each number in the row by each number in a column: 5 x 105 x

5020 Step 3: Add the two numbers together:

Therefore: 14 x 5 = 70

Now, let’s work out 18 x 2 Where do we start?

18 x 2 = Step 1: Split each double digit number into TENS and UNITS Step 2: Multiply each number in the row by each number in a column Step 3: Add the two numbers together 36

Step 1: Split each double digit number into TENS and UNITS Step 2: Multiply each number in the row by each number in a column Step 3: Add the two numbers together 1, 2, 3

L.O. To multiply two-digit and three-digit numbers by a one-digit number using formal written layout 1.I can partition a 2-digit number. 2.I can set my work out in a grid 3.I can multiply a number by I can use known multiplication facts to multiply using larger numbers. 5.I can set my calculations out correctly using a grid.

Extension : 489 x 36 Multiply each number in the row by each number in a column: