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Year 3 - Number and Algebra
Standard 3.OA.1.1 - Given a group of numbers, identify which numbers are even or odd.
Number and place value • Investigate the conditions required for a number to be odd or even and identify odd and even numbers - identifying even numbers using skip counting by twos or by grouping even collections of objects in twos - explaining why all numbers that end in the digits 0, 2, 4, 6 and 8 are even and that numbers ending in 1, 3, 5, 7 and 9 are odd • Recognise, model, represent and order numbers to at least 10 000 - placing four-digit numbers on a number line using an appropriate scale - reproducing numbers in words using their numerical representations and vice versa • Apply place value to partition, rearrange and regroup numbers to at least 10 000 to assist calculations and solve problems - recognising that 10 000 equals 10 thousands, 100 hundreds, 1000 tens and 10 000 ones - justifying choices about partitioning and regrouping numbers in terms of their usefulness for particular calculations • Recognise and explain the connection between addition and subtraction - demonstrating the connection between addition and subtraction using partitioning or by writing equivalent number sentences • Recall addition facts for single-digit numbers and related subtraction facts to develop increasingly efficient mental strategies for computation - recognising that certain single-digit number combinations always result in the same answer for addition and subtraction, and using this knowledge for addition and subtraction of larger numbers - combining knowledge of addition and subtraction facts and partitioning to aid computation (for example 57 + 19 = 57 + 20 ï¿½ 1) • Recall multiplication facts of two, three, five and ten and related division facts - establishing multiplication facts using number sequences • Represent and solve problems involving multiplication using efficient mental and written strategies and appropriate digital technologies - writing simple word problems in numerical form and vice versa - using a calculator to check the solution and reasonableness of the answer