Year 1

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## Lessons (15)

• In this lesson, we will learn about the commutative law of addition using aggregation.
1 Video
• In this lesson, we will learn about the commutative law of addition using augmentation.
1 Video
• In this lesson, we will look at the commutative law of addition in measuring contexts.
1 Video
• In this lesson, we will embed our understanding of equivalent expressions.
1 Video
• In this lesson, we will learn about how ten can be partitioned into pairs of numbers that sum to ten.
1 Video
• In this lesson, we will reason about expressions using number bonds to 10.
1 Video
• In this lesson, we will use knowledge of pairs of numbers that sum to 10.
1 Video
• In this lesson, we will learn that adding one gives one more.
1 Video
• In this lesson, we will learn that subtracting one gives one less.
1 Video
• In this lesson, we will learn that consecutive numbers have a difference of one.
1 Video
• In this lesson, we will add two to odd numbers and to even numbers.
1 Video
• In this lesson, we will subtract two from odd numbers and from even numbers.
1 Video
• In this lesson, we will learn that addition and subtraction facts for the pairs 5 and 3, and 6 and 3, can be related to known facts and strategies.
1 Video
• In this lesson, we will learn that, when adding or subtracting zero to a number, the number remains unchanged.
1 Video
• In this lesson, we will learn that subtracting a number from itself gives a difference of zero.
1 Video