and < signs. • Understand even and odd numbers and recognize these up to at least 20. • Sort numbers, e.g. odd/even. • Recognize which shapes are divided in halves or quarters. CALCULATION Mental strategies • Find and learn by heart all numbers pairs to 10 and pairs with a total of 20. • Find all pairs of multiples of 10 with a total of 100. • Learn and recognize multiples of 2, 5 and 10 • Find and learn doubles for all numbers up to 10 and also 15, 20, 25 and 50. Addition and subtraction Teach addition and subtraction concepts of 2-digit numbers and fact to 100 and enable problem solving strategies. We teach addition by counting on and subtraction by counting back on a number line. Recognize the use of a symbol such as Δ to represent an unknown and use = sign. • Understand that addition can be done in any order, but subtraction cannot. • Understand subtraction as both difference and take away. Multiplication and Division • Understand multiplication as repeated addition and use the × sign. • Introduce division.]]>