UNIT 11 Measuring AreaSECTION A 1. B 2. A 3. B 4. C 5. B 6. C 7. C 8. D 9. C10. A11. CSection B1.(a)Room P Living room(b)Room T Kitchen(c)Living room, because the area is widest (d)Area is the size of a surface.2.(a)i.15 tilesii.17 tilesiii.32 tiles(b)800 cm2 (or square centimeters)

UNIT 12 Measuring VolumeSECTION A 1. D 2. C 3. C 4. B 5. C 6. C 7. C 8. D 9. A10. B11. B12. B13. D14. B15. DSection B1.(a)i.8 cubes of Pii. 96 cubes of P(b)i.8 cm3ii. 96 cm3(c) Box R(d) A standard unit of volume2.(a)45 ml(b)i.65 mlii.80 mliii.80 45 = 35 ml(d)60 ml

Section A13 A 14 C 15 B 16 C 17 B 18 C 19 B 20 ASection B2 (a) Cube R has a greater volume than cube Q.(b) i. Volume of the cubesii. Increase in the volume of wateriii. Initial volume of water (c) 51 cm3