Starter quiz
- Which multiple of 9 is missing from this sequence? 45, ______, 63, 72
- '54' ✓
- What is 12 × 9 = ______
- '108' ✓
- Which symbol goes in the gap to make this correct? 9 × 9 = 10 × 9 ___ 9
- +
- − ✓
- ×
- ÷
-
- Which symbol goes in the gap to make this correct? 2 × 9 = 3 × 9 ___ 9
- +
- − ✓
- ×
- ÷
-
- Complete: I know that 3 × 9 = 27 so 30 × 9 = ______
- '270' ✓
- Complete: I know that 5 × 9 = 45 so 50 × 9 = ______
- '450' ✓
Exit quiz
- Lucas makes shapes using 9 sticks each time. He has made 3 shapes and used 27 sticks. Lucas makes another of the shapes. How many sticks has he used now?
- 27
- 28
- 30
- 36 ✓
-
- There are 7 flowers with 9 petals each. If Jun gives away one flower, how many petals will there be altogether? ______ petals
- '54' ✓
- Lucas has filled 7 buckets with 9 litres of water ready for a water fight. Jun brings one more bucket of water with the same amount. How many litres of water have they used altogether? ______ litres
- '72' ✓
- If 20 × 9 = 180 then 21 × 9 = ______
- '189' ✓
- If 80 × 9 = 720 then 81 × 9 = ______
- '729' ✓
- If 37 × 9 = 333 then 36 × 9 = ______
- '324' ✓
Worksheet
Loading worksheet ...
Presentation
Loading presentation ...
Video
Lesson Details
Key learning points
- Adjacent multiples of nine have a difference of 9 and alternate between odd and even numbers.
- If you add 9 to a multiple of nine you get the next multiple of nine.
- If you subtract 9 from a multiple of nine you get the previous multiple of nine.
Common misconception
Pupils may find it difficult to solve problems or misunderstand questions.
Model clearly how to identify key phrases and words which will identify the operation and equation required for word problems. This could involve drawing bar models or other representations.
Keywords
Adjacent multiple - An adjacent multiple is a multiple next to another. It could be before or after.
+