Step 8: Ordering Numbers and Objects Year 2 Place Value Learning Video Clip
Jib is visited by an alien pirate who needs help locating some medicine for his sick captain. To retrieve the medicine, Jib must help him to order numbers and objects in ascending and descending order.
More resources for Autumn Block 1 Step 8.
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Discussion points for teachers
- The buttons on the pirate control desk must be pressed in descending order to raise the anchor. Discuss how they must use the symbol key to work out what numbers are represented by the alien symbols. Discuss how to work out the partitioned numbers where there are more than 10 ones. Discuss the meaning of the word ‘descending’.
- They can go any way through the planet cluster as long as all the planets they pass are in ascending order. Discuss the meaning of the word ‘ascending’. Discuss which planets they could start from and whether they can take different routes. This question is open-ended for the children to explore.
- We need to open the chest with the greatest number. Discuss how the chests can be ordered from smallest to greatest to find the chest with the greatest number. Discuss the place value of the digits to see which are greater.
- What could the value of each symbol be? Discuss how the numbers given in the statements can help us work out the value of each symbol. Discuss that each symbol could have multiple different values but we need to check that the value works in all three of the statements. This question is open-ended for the children to explore.
Optional discussion points:
Discuss how numbers can be represented in other ways similar to the alien symbols in the story.
National Curriculum Objectives
Mathematics Year 2: (2N2a) Read and write numbers to at least 100 in numerals and in words
Mathematics Year 2: (2N4) Identify, represent and estimate numbers using different representations, including the number line
Mathematics Year 2: (2N2b) Compare and order numbers from 0 up to 100; use <, > and = signs
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