MathsYear 1Autumn Block 4 (Place Value)02 Numbers from 11 to 20 › Numbers from 11 to 20 Year 1 Place Value Learning Video Clip

Numbers from 11 to 20 Year 1 Place Value Learning Video Clip

Numbers from 11 to 20 Year 1 Place Value Learning Video Clip

Step 2: Numbers from 11 to 20 Year 1 Place Value Learning Video Clip

Diver Dan is exploring the ocean. He is looking for animals and treasure under the sea. He is representing the number of objects he finds in different ways and wants the children to use different ways to represent their answers.

More resources for Autumn Block 4 Step 2.

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Discussion points for teachers

1.Which representations match the number of fish he found?
Discuss the different ways Dan has chosen to use to represent the number of fish. Discuss which representation does not show the correct number of fish.
Word and tally show 15.

2.What was Dan’s mistake when he used the pebbles to represent 15?
Discuss the number of pebbles Diver Dan used to represent the number of fish. Discuss if his pebbles show more or less than the correct number.
He used 14 pebbles. He needs one more to represent 15.

3.How many crabs could there be? Discuss how many crabs could be hiding (no more than 20).
Discuss if the total number of crabs is greater than or less than 17. Discuss using a circle to represent the answer. This question is open-ended for the children to explore.
Various answers, for example: 18, 19 or 20 shown using circles.

4.Which number matches the word twelve?
Discuss the sounds of the words and how twenty and twelve start with the same letter. Discuss the difference between the number twelve and the number 20.
12

5.How many coins could be left in the treasure chest?
Discuss if the number of coins left will be greater than or less than 16. Discuss how many coins could be left. Discuss ways to represent the possible answers. This question is open-ended for the children to explore.
Any number less than 16, shown using chosen representation. For example; 12 using counters, words, number or drawing.

Optional discussion points:
What other ways could Diver Dan use to represent numbers?

National Curriculum Objectives

Mathematics Year 1: (1N2c) Read and write numbers from 1 to 20 in numerals and words

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