Name  Maths Year 4 Unit D2 

Owner  ktaylor107 
Level  4 
Topic  Numeracy 
Unit  D2 
Description  
File 1  1076_Week_9_maths_(D2).doc 
File 2 
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Monday: Mental Mothsday with buddy Year4 Week comm.: 09.03.09 NW, SC, KT,LK Unit E2 Calculating, measuring and understandingshape
Objective:Refine and useefficient written methods to add and subtract twodigit andthreedigit whole numbers and .p
Display number bondsto 20 calculations. Reveal one calculation at a time. Chn workwith partner using MWB to hold up correct answer.
Demonstrate differentmethods of calculation eg partitioning, targeting 10s etc. workthrough examples on slide.
Use calculations onslide how would you solve these problems? Explain that the answerisnt that important in this session, we are thinking aboutmethods.
Put these problems onthe slide: Sunil is 138 cm tall. His younger brother is 47 cmshorter.
 
AQ  Mental oralstarter  Activity for mentalstarter  W.A.L.T  Teaching input toclass  Group 1  Group 2  Group 3  Group 4,5  Plenary 
Tues  Iknow my tables to 10 10
 Followme Loop Cards multiplication and division facts from 2xtable (Only 19cards so pair up less able children)  Refine and useefficient written methods to add and subtract twodigit andthreedigit whole numbers and .p  Recapthe different methods of mental calculation as discussed yesterday.Use a list of similar addition/subtraction problems so that chn canidentify which method might be appropriate in each situation. (J10,T10, KF)  Teacheach method of calculation and practice with group so they knowwhich method they are using each time.  Addition andSubtraction Practice Sheet  TEN SNAP!  Bronze and SilverCalculations p39 Identify the methodused for each calculation.  Using calculation onslide challenge the class to calculate the answer mentally canwork in pairs. Which strategies did you use? 
Wed  Recallsimple addition facts from memory
 Give eachpride 2 dice. What numbers can you make if you add totals of bothdice together? Draw 2 x3 grid. Fill the 6 boxes with some of the numbers that can be madefrom totals of 2 dice. Useslide to roll dice. Cross off numbers as they appear. Whatnumbers are most/least likely to appear? Whatnumbers have you got left? What do you need to appear on thedice?  Ican work out how to solve problems with one or twosteps  Demonstratenature of 2 step word problems using examples on slide. Provideclass with a range of problems that they have to read with apartner and identify the problem to be solved eg operation(s) andnumber of steps. (Encourage whole class participation by askingclass to write calculations on MWB)  TEN SNAP!  Teacheach method of calculation and practice with group so they knowwhich method they are using each time.  Write 5 2 step wordproblems using slide for examples. Swap books with partner andsolve their 2 step word problems.
Peer Marking  Write 5 2 step wordproblems using slide for examples. Swap books with partner andsolve their 2 step word problems.
Peer Marking  A piece of rope204 cm long is cut into 4 equal pieces. Which of these gives thelength of each piece in centimetres? Jenny can walk103 metres in 1 minute. Explain whatyou should do to get your answer. Show me how to record anycalculations you need to do to solve the problem.

Thurs  Recallsimple subtraction facts from memory  Repeat Wed activitybut using subtraction.  Ican use a measuring tape, metre stick or ruler to measure a lengthaccurately  Usepictures on slide and discuss which piece of equipment you mightuse to measure each one and why? Demonstratehow to measure accurately using a ruler eg lining up with edge ofmarkings not edge of ruler etc. Demonstrateestimate, measure and record sheet. Explain how to completeaccurately
 Measurement sheet A(measure in cm)  Measurement Sheet B(Measure in cm and convert to mm)  Supportgroup with measurement and recording in activity. Explain how tocalculate measurement as decimal fraction of a metre  Measurement Sheet C(Measure in cm and convert to decimal fraction of a metre)  Explain tosomeone else how to measure the length of a line that is between 4cm and 5 cm long. 
Fri  Solveproblems with one or two steps  Chnwork in maths buddy pairs. Using answers on slide (eg The answer is23cm) pairs must generate 3 possible questions for thatanswer. If I have a 2.3mlength of wood and cut it into 10 equal lengths If my metrestick was cut into two pieces and one piece was 67cm long
 Ican work as a member of a group to decide how to measure and recordcapacity  Discuss in your grouphow to find out which of these six containers holds the most water.I would like ... to be the group leader, ... to take notes and ...to draw any diagrams that you need.  Pride Activity Measuring Capacity
Challenge How do wefind out which container holds the most water?
Present each Pridewith a 6 containers empty containers and set the challenge.(Arrange selection of useful equipment at front of classroom forgroups to select from).
Groups need toallocate roles, carry out activity, record results then present aconclusion.  Tell me about thecontribution you made to the group work. 