e.g. 4 pencils and a rubber cost 42p. If the rubber costs 10p what is the cost of one pencil? How much change would you get from a pound if you bought 6 pencils? + Addition + Year R Year 1 Year 2 Methods to be used by core of class Methods to be used by core of Methods to be used by core of As year R plus: As year 1 plus: Addition can be done in any order (commutative) Teach all the number bonds up to and including 10 and the 34 + 56 or 56 + 34 related Family’ for each fact. Use pictures, tens frames, and ‘Fact Understand place value can partition numbers & recombine – other concrete resources to add two Numbers numbers together as a group or in a bar 37= 30 + 7 30+7 = 37 Use concrete objects to combine groups to add and solve missing . number problems. Use partitioning to add numbers, first with concrete apparatus, then as a possible mental method. 3+__= 10 Show this using the part/whole model. Have a of mental methods for calculating first with numbers to 20, then with numbers to 100 e.g. breaking numbers apart to use Understand value can partition numbers and recombine them flexibly, this may be with a bridging strategy (e.g. 7+5 could be – numbers thought of as 7+3+2 or 5+5+2), a compensating strategy (e.g. 7+9 could be thought of as 7+10 then -1) or by using a near double (e.g. 7+8 =14+1). Usually start with the biggest number (if counting on) 12 + 5 = 17 See addition appendix 1- combining two parts to Learn to make a whole:part-whole model. add three numbers 4 + 7 + 6= 17 Put 4 and 6 together to make 10. Add on 7. at the larger number on the number line and count on in ones or in one jump to find the answer. Use number bonds e.g. 4+6=10 to work out 40+60=100 See addition appendix 2 starting at the bigger number and countingon. See addition appendix 1- combining two parts to make a whole: Appendix 3 regrouping to make 10. Appendix 4 adding three single model. Appendix 2 starting at the bigger number and Digits counting on. + = 47 25 60 12 then exchange to make 72
e.g. 4 pencils and a rubber cost 42p. If the rubber costs 10p what is the cost of one pencil? How much change would you get from a pound if you bought 6 pencils? + Addition + Year R Methods to be used by core of class Year 1 Methods to be used by core of Year 2 Methods to be used by core of Use pictures, tens frames, and other concrete resources to add two numbers together as a group or in a bar . See addition appendix 1- combining two parts to make a whole:part-whole model. As year R plus: Teach all the number bonds up to and including 10 and the related ‘Fact Family’ for each fact. Use concrete objects to combine groups to add and solve missing number problems. 3+__= 10 Show this using the part/whole model. Understand value – can partition numbers and recombine numbers Usually start with the biggest number (if counting on) 12 + 5 = 17 at the larger number on the number line and count on in ones or in one jump to find the answer. See addition appendix 1- combining two parts to make a whole: model. Appendix 2 starting at the bigger number and counting on. As year 1 plus: Addition can be done in any order (commutative) 34 + 56 or 56 + 34 Understand place value – can partition numbers & recombine Numbers 37= 30 + 7 30+7 = 37 Use partitioning to add numbers, first with concrete apparatus, then as a possible mental method. Have a of mental methods for calculating first with numbers to 20, then with numbers to 100 e.g. breaking numbers apart to use them flexibly, this may be with a bridging strategy (e.g. 7+5 could be thought of as 7+3+2 or 5+5+2), a compensating strategy (e.g. 7+9 could be thought of as 7+10 then -1) or by using a near double (e.g. 7+8 =14+1). Learn to add three numbers 4 + 7 + 6= 17 Put 4 and 6 together to make 10. Add on 7. Use number bonds e.g. 4+6=10 to work out 40+60=100 See addition appendix 2 starting at the bigger number and countingon. Appendix 3 regrouping to make 10. Appendix 4 adding three single Digits + = 47 25 60 12 then exchange to make 72
Written-and-mental-calculations-Policy.docx