Year 2

Add with 2-digit numbers and ones, 2-digit numbers and tens, pairs of 2-digit numbers and 3 single digit numbers.

Hundred Bead-strings

Bar Models and Cuisenaire Rods

Dienes

Part Whole Diagrams

Use the number line - Jumping first in ones and then in larger chunks. e.g. 18 + 5

Regroup to make ten - start with the bigger number and use the smaller number to make 10.

A video demonstration of adding a one digit number to a 2-digit number. Click onto the next slide to take you to a second example.

Adding 2 digits and 1 digit numbers (crossing ten)

A video demonstration of adding two-digit numbers without crossing ten. Click onto the next slide to take you to a second example.

Adding 2 digits to 2 digits (not crossing ten)

Expanded Horizontal method

Adding 3-single digit numbers. Combine the two numbers that make 10 and then add on the remainder.

using concrete objects and pictorial representations, including those involving numbers, quantities and measures
applying their increasing knowledge of mental and written methods
recall and use addition and subtraction facts to 20 fluently, and derive and use related facts up to 100

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