Year 5

Problem solving with integer addition and subtraction

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Slide decks, worksheets, quizzes and lesson planning guidance designed for your classroom.

Lessons (10)

• In this lesson, we will be learning how to use different addition strategies (e.g. partitioning, commutativity and rounding and adjusting) in order to solve magic squares.
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1 Worksheet
1 Quiz
1 Video
• In this lesson, we will be learning how to use the most efficient addition and subtraction strategies. We will apply this knowledge to solving addition pyramids.
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1 Worksheet
2 Quizzes
1 Video
• In this lesson, we will learn how to use the 'derived facts' and 'make 10' strategies to solve equations involving multiples of 10, 100, 1000, 10 000 and 100 000.
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1 Worksheet
2 Quizzes
1 Video
• In this lesson, we will learn how to use the 'round and adjust' strategy to solve addition and subtraction equations.
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1 Worksheet
2 Quizzes
1 Video
• In this lesson, we will use partitioning to add and subtract large integers, both where regrouping is required and where it is not needed.
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1 Worksheet
2 Quizzes
1 Video
• In this lesson, we will apply our understanding of rounding to the nearest multiples of 10 000 and 1000 to estimate the answer to addition equations.
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1 Worksheet
2 Quizzes
1 Video
• In this lesson, we will learn how to use the column method in order to solve addition equations.
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1 Worksheet
2 Quizzes
1 Video
• In this lesson, we will learn how to use the column method in order to solve subtraction equations. We will also learn how to represent equations using bar modelling.
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1 Worksheet
2 Quizzes
1 Video
• In this lesson, we will learn how to apply our understanding of the column method to finding and fixing errors and completing unfinished column method calculations.
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1 Worksheet
2 Quizzes
1 Video
• In this lesson, we will be applying the addition and subtraction strategies that we have learned to word and real life problems.
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1 Worksheet
2 Quizzes
1 Video