{"text_format":"1","workbook":"xlsx","n_sheets":10,"sheets":["index","rectangle","triangle","parallelogram","trapezium","circle","annulus","cuboid","inverse","surface area"],"not_rendered":{"charts":0,"images":0,"macros":1,"external_links":0,"defined_names":0,"comments":0,"pivot_tables":0},"unopened":[],"bounds":{"document_bytes":16777216,"sheet_cells":100000,"rows_first":2000,"rows_last":500,"rows_between":2000,"halvings":0,"cell_chars":16384,"cell_head_chars":4096},"cells_cut":0,"cells_raw":0,"read":"whole","date_system":"1900"}

{"sheet":"index","index":0,"n_rows":12,"n_cols":2,"rows_kept":12,"cut":false,"hidden":false,"merged":[]}
[null,"AREA AND VOLUME"]
[1,"Area of a rectangle"]
[2,"Area of a triangle"]
[3,"Area of a parallelogram"]
[4,"Area of a trapezium"]
[5,"Area of circle - using the approximation p ≈ 3"]
[6,"Area of an annulus"]
[7,"Volume of a cuboid"]
[8,"Reverse problem - if you know the volume, can you find the missing side?"]
[9,"Surface area of a cuboid"]
[null,"© Copyright 2004 S.A.Lomax, M.J.Nixon.  All Rights Reserved."]
[null,"www.kangaroomaths.com"]

{"sheet":"rectangle","index":1,"n_rows":15,"n_cols":12,"rows_kept":15,"cut":false,"hidden":false,"merged":[[13,2,19,3],[10,6,10,7],[10,8,10,9],[0,1,0,14],[10,2,10,5],[2,3,8,4]]}
[null,"Find the area of the rectangle"]
[]
[null,null,null,{"$f":"CONCATENATE(B15,\" cm\")","v":"8 cm"}]
[]
[]
[]
[]
[]
[null,null,null,null,null,null,null,null,null,null,null,"Diagram not to scale"]
[null,null,null,null,null,null,null,{"$f":"CONCATENATE(B14,\" cm\")","v":"15 cm"}]
[null,null,"Answer:",null,null,null,{"$f":"B14*B15","v":120},null,"cm",null,2]
[]
[]
[null,{"$f":"10+INT(10*RAND())","v":15}]
[null,{"$f":"1+INT(10*RAND())","v":8}]

{"sheet":"triangle","index":2,"n_rows":15,"n_cols":12,"rows_kept":15,"cut":false,"hidden":false,"merged":[[13,2,19,3],[10,6,10,7],[10,8,10,9],[0,1,0,14],[10,2,10,5],[2,3,8,4],[9,6,9,8]]}
[null,"Find the area of the triangle"]
[]
[null,null,null,{"$f":"CONCATENATE(B15,\" cm\")","v":"4 cm"}]
[]
[]
[]
[]
[]
[null,null,null,null,null,null,null,null,null,null,null,"Diagram not to scale"]
[null,null,null,null,null,null,{"$f":"CONCATENATE(B14,\" cm\")","v":"17 cm"}]
[null,null,"Answer:",null,null,null,{"$f":"B14*B15/2","v":34},null,"cm",null,2]
[]
[]
[null,{"$f":"10+INT(10*RAND())","v":17}]
[null,{"$f":"1+INT(10*RAND())","v":4}]

{"sheet":"parallelogram","index":3,"n_rows":15,"n_cols":12,"rows_kept":15,"cut":false,"hidden":false,"merged":[[13,2,19,3],[10,6,10,7],[10,8,10,9],[0,1,0,14],[10,2,10,5],[2,3,8,4],[9,6,9,8]]}
[null,"Find the area of the parallelogram"]
[]
[null,null,null,{"$f":"CONCATENATE(B15,\" cm\")","v":"3 cm"}]
[]
[]
[]
[]
[]
[null,null,null,null,null,null,null,null,null,null,null,"Diagram not to scale"]
[null,null,null,null,null,null,{"$f":"CONCATENATE(B14,\" cm\")","v":"12 cm"}]
[null,null,"Answer:",null,null,null,{"$f":"B14*B15","v":36},null,"cm",null,2]
[]
[]
[null,{"$f":"10+INT(10*RAND())","v":12}]
[null,{"$f":"1+INT(10*RAND())","v":3}]

{"sheet":"trapezium","index":4,"n_rows":15,"n_cols":12,"rows_kept":15,"cut":false,"hidden":false,"merged":[[13,2,19,3],[10,8,10,9],[0,1,0,14],[2,3,8,4],[9,6,9,8],[1,6,1,8],[10,5,10,7]]}
[null,"Find the area of the trapezium"]
[null,null,null,null,null,null,{"$f":"CONCATENATE(B13,\" cm\")","v":"4 cm"}]
[null,null,null,{"$f":"CONCATENATE(B15,\" cm\")","v":"2 cm"}]
[null,null,null,null,null,null,null,null,null,null,null,"Diagram not to scale"]
[]
[]
[]
[]
[]
[null,null,null,null,null,null,{"$f":"CONCATENATE(B14,\" cm\")","v":"10 cm"}]
[null,"Answer:",null,null,null,{"$f":"((B13+B14)/2)*B15","v":14},null,null,"cm",null,2]
[]
[null,{"$f":"1+INT(9*RAND())","v":4}]
[null,{"$f":"10+INT(10*RAND())","v":10}]
[null,{"$f":"1+INT(10*RAND())","v":2}]

{"sheet":"circle","index":5,"n_rows":15,"n_cols":11,"rows_kept":15,"cut":false,"hidden":false,"merged":[[13,2,19,3],[10,8,10,9],[0,1,0,14],[2,3,8,4],[9,6,9,8],[10,5,10,7]]}
[null,"Find the approximate area of the circle - using π ≈ 3"]
[]
[null,null,null,{"$f":"CONCATENATE(B15,\" cm\")","v":"1 cm"}]
[]
[]
[]
[]
[]
[]
[]
[null,"Answer:",null,null,null,{"$f":"3*(B15/2)*(B15/2)","v":0.75},null,null,"cm",null,2]
[]
[]
[]
[null,{"$f":"1+INT(10*RAND())","v":1}]

{"sheet":"annulus","index":6,"n_rows":16,"n_cols":13,"rows_kept":16,"cut":false,"hidden":false,"merged":[[10,6,10,9],[10,1,10,5],[13,2,19,3],[0,1,0,14],[2,3,8,4],[9,6,9,8],[2,8,8,9],[10,10,10,11]]}
[null,"Find the approximate area of the annulus - using π ≈ 3"]
[]
[null,null,null,{"$f":"CONCATENATE(B15,\" cm\")","v":"16 cm"},null,null,null,null,{"$f":"CONCATENATE(B16,\" cm\")","v":"3 cm"}]
[]
[]
[]
[]
[null,null,null,null,null,null,null,null,null,null,null,"Diagram not to scale"]
[]
[]
[null,"Answer:",null,null,null,null,173.25,null,null,null,"cm",null,2]
[]
[]
[]
[null,{"$f":"11+INT(10*RAND())","v":16}]
[null,{"$f":"1+INT(10*RAND())","v":3}]

{"sheet":"cuboid","index":7,"n_rows":15,"n_cols":13,"rows_kept":15,"cut":false,"hidden":false,"merged":[[13,2,19,3],[10,8,10,9],[0,1,0,14],[2,3,8,4],[7,11,9,13],[10,5,10,7]]}
[null,"Find the volume of the cuboid"]
[]
[null,null,null,{"$f":"CONCATENATE(B15,\" cm\")","v":"7 cm"},null,null,null,null,null,null,null,null,"Diagram not to scale"]
[]
[]
[]
[]
[null,null,null,null,null,null,null,null,null,null,null,{"$f":"CONCATENATE(B13,\" cm\")","v":"1 cm"}]
[]
[null,null,null,null,null,null,null,{"$f":"CONCATENATE(B14,\" cm\")","v":"11 cm"}]
[null,"Answer:",null,null,null,{"$f":"B14*B15*B13","v":77},null,null,"cm",null,3]
[]
[null,{"$f":"1+INT(7*RAND())","v":1}]
[null,{"$f":"7+INT(10*RAND())","v":11}]
[null,{"$f":"1+INT(10*RAND())","v":7}]

{"sheet":"inverse","index":8,"n_rows":15,"n_cols":13,"rows_kept":15,"cut":false,"hidden":false,"merged":[[10,1,10,5],[10,6,10,9],[13,2,19,3],[0,1,0,14],[2,3,8,4],[7,11,9,13],[1,1,1,7]]}
[null,"Find the value of 'h' if the volume of the cuboid is"]
[null,{"$f":"B13*B14*B15","v":40},null,null,null,null,null,null,"cm",3]
[null,null,null,"  h",null,null,null,null,null,null,null,null,"Diagram not to scale"]
[]
[]
[]
[]
[null,null,null,null,null,null,null,null,null,null,null,{"$f":"CONCATENATE(B13,\" cm\")","v":"1 cm"}]
[]
[null,null,null,null,null,null,null,{"$f":"CONCATENATE(B14,\" cm\")","v":"10 cm"}]
[null,"Answer:",null,null,null,null,{"$f":"CONCATENATE(B15,\" cm\")","v":"4 cm"}]
[]
[null,{"$f":"1+INT(7*RAND())","v":1}]
[null,{"$f":"7+INT(10*RAND())","v":10}]
[null,{"$f":"1+INT(10*RAND())","v":4}]

{"sheet":"surface area","index":9,"n_rows":15,"n_cols":13,"rows_kept":15,"cut":false,"hidden":false,"merged":[[13,2,19,3],[10,8,10,9],[0,1,0,14],[2,3,8,4],[7,11,9,13],[10,5,10,7]]}
[null,"Find the surface area of the cuboid"]
[]
[null,null,null,{"$f":"CONCATENATE(B15,\" cm\")","v":"10 cm"},null,null,null,null,null,null,null,null,"Diagram not to scale"]
[]
[]
[]
[]
[null,null,null,null,null,null,null,null,null,null,null,{"$f":"CONCATENATE(B13,\" cm\")","v":"4 cm"}]
[]
[null,null,null,null,null,null,null,{"$f":"CONCATENATE(B14,\" cm\")","v":"9 cm"}]
[null,"Answer:",null,null,null,{"$f":"B13*B14*2+B13*B15*2+B14*B15*2","v":332},null,null,"cm",null,2]
[]
[null,{"$f":"1+INT(7*RAND())","v":4}]
[null,{"$f":"7+INT(10*RAND())","v":9}]
[null,{"$f":"1+INT(10*RAND())","v":10}]