Starter Success Criteria Place the largest number on

Starter Success Criteria: -Place the largest number on top of the smaller number. -Partition the larger number and multiply each part by the smaller number, starting with the ones column. -Add both of the numbers made together.

What do we need to remember when using this method? -Always start with the ones column when multiplying -The largest number should always be above the other number -Always remember to add the numbers at the end

Compact method (Also known as short multiplication) 76 x 3 = 76 x _____ 3

Compact method 76 x 3 = 76 x _____ 3 8 _____ 1

Compact method 76 x 3 = 76 x _____ 3 228 _____ 1

Compact method 97 x 2 = 97 x _____ 2 194 _____ 1 Expanded method 97 x 2 = 97 x____ 2 2 x 7= 14 + 2 x 90= ____ 180 1 94 ____

Here is a video that explains the method really well- one last example before you have a try. https: //www. youtube. com/watch? v=c. Be 3 RYJRODk

1. Questions Set 1 2. 3. 4. 5.

Questions Set 2 No exchanging

Challenge: Explain the mistakes you see in this calculation. Can you try the question for yourself and correct it? 99 x 8=

Answers Starter: They have mistaken the 4 for 4 ones instead of its true value of 40. Set 1 1. a. 228 b. 213 c. 405 d. 260 e. 232 f. 68 2. £ 280 3. 136 4. 259 5. 168 Challenge: The largest number is not at the top. They have tried to subtract the tens and ones at the end instead of add. 99 x 8= 792 Set 2