Add and Subtract 1s Year 2 Addition and Subtraction Learning Video Clip

Add and Subtract 1s Year 2 Addition and Subtraction Learning Video Clip

Step 6: Add and Subtract 1s Year 2 Addition and Subtraction Learning Video Clip

Cleo travels to Victorian London. She visits a busy train station and uses her knowledge of adding and subtracting 1s to help different people .

More resources for Autumn Block 2 Step 6.

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Discussion points for teachers

1. Help Cleo check if the first man does still have more money.
Discuss converting the written numbers back into numerals. Discuss strategies for adding and subtracting single digit numbers such as counting on or counting back, number lines etc. Discuss the answers for both and then checking that back against the man’s statement.
The man is correct in his statement as the first man has £82 after having £7 stolen from him, whereas the second mad only has £79 after having £8 returned to him.

2. Help Cleo and the stoker spot which days a mistake was made on.
Discuss converting the written numbers back into numerals.Discuss strategies for adding single digit numbers such as counting on. Discuss which day is different to the other and how we know that’s the day a mistake was made.
They made a mistake on Wednesday and Friday. Wednesday they loaded 57 tons in the tender and on Friday they loaded 59 tons.

3. Help Cleo find the possible amount of coal left on each train when it arrives.
Discuss the possibilities for each journey. Discuss the strategies that could be used for subtraction of a single digit number. This question is open-ended for children to explore.
Various answers, for example: London to Bristol: 45 tons; London to Birmingham: 74 tons; London to Edinburgh: 82 tons; London to Manchester: 64 tons.

4. Help Cleo to read the timetable properly and work out the missing information.
Discuss finding a pattern first in the numbers. Discuss working out if the numbers are increasing or decreasing and by how much each time. Discuss how to apply this pattern to the missing numbers.
Brighton journey – Minutes from London: 82, 83, 85, 88, 89; Brighton journey – Minutes from Brighton: 29, 27, 26, 23, 21; Bedford journey – Minutes from London: 46, 47, 48; Bedford journey – Minutes from Bedford: 37, 36, 35.

National Curriculum Objectives

Mathematics Year 2: (2C1) Recall and use addition and subtraction facts to 20 fluently, and derive and use related facts up to 100
Mathematics Year 2: (2C2a) Add and subtract numbers mentally, including: a two-digit number and ones
Mathematics Year 2: (2C3) Recognise and use the inverse relationship between addition and subtraction and use this to check calculations and missing number problems

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