Numbers which follow each other in order, without gaps.

Any integer (not a fraction) that cannot be divided exactly by 2    The last digit is 1, 3, 5, 7 or 9

Any integer that can be divided exactly by 2    The last digit is 0, 2, 4, 6 or 8

The result of subtracting one number from another. Way in which two or more things we are comparing are not the same.

Explain what the difference is between consecutive numbers

Maths

In this unit pupils will add 3 addends. They will use a strategy such as finding 2 addends to total 10 or 2 numbers to bridge though 10.  In the future unit pupils will add and subtract 1s and 10s from 2 digit numbers. They will use number facts to add/subtract a single-digit number to/from a 2-digit number .They will use a part-part-whole model to represent addition and subtraction.

In the prior unit pupils revisited addition and subtraction within ten. They consolidated addition and subtraction strategies. In this unit pupils will add 3 addends. They will use a strategy such as finding 2 addends to total 10 or 2 numbers to bridge though 10.

Calculating within 20

Which of these equations will have a difference of 1?

When we subtract an odd number from the odd number after, it will have a difference of {{ }}

Numbers that follow each other in order, without gaps.

Which number is missing in this count?

6, 8, 10, 12, 14, ___, 18

Which of these are consecutive even numbers?

Which of these are consecutive odd numbers?

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