Excellence In All We Do… Elementary 3 Are you an Elementary 3 Master?

Excellence In All We Do… E3.1 Round numbers and measures to an appropriate degree of accuracy

Excellence In All We Do… 3.1a 1)Round to 2 decimal places 2)Round to 3 decimal places 3)Round 1629 to 1 significant figure 4)Round to 2 significant figures 5) Round to 1 significant figure Round numbers and measures to an appropriate degree of accuracy

Excellence In All We Do… E3.2 Use approximation through rounding to estimate answers

Excellence In All We Do… 3.2a Use approximation through rounding to estimate answers

Excellence In All We Do… E3.3 Multiply any two positive integers together

Excellence In All We Do… 3.3a 1)Calculate 79 × 497 2)Calculate 873 x )A machine makes 298 chocolate bars per hour. How many chocolate bars will be made in 9 hours? 4)The machine works for 9 hours everyday except Sundays. How many chocolate bars will be made in a week? 5) How many chocolate bars will be made in 26 weeks? Multiply any two positive integers together

Excellence In All We Do… E3.4 Multiply any decimal by a one or two digit number

Excellence In All We Do… 3.4a 1)Calculate 6.24 × 19 2)Calculate × 7 3)Tiles cost £1.98 each. Rob buys 89 tiles. How much does Rob pay? 4)Leila can type 79 words per minute. How many words can she type in 2.5 minutes? 5)Mars bars cost £0.68 each. Mrs North buys 18 mars bars for her 18 grandchildren. She pays with a £20 note. How much change does she receive? Multiply any decimal by a one or two digit number

Excellence In All We Do… E3.5 Multiply any two numbers including decimals

Excellence In All We Do… 3.5a 1)Calculate 7.9 × 64 2)Calculate 67.8 × 4.7 3)Calculate 9.3 × )Calculate × )A machine makes 1.5 cars per hour. How many cars will be made in 7.25 hours? Multiply any two numbers including decimals

Excellence In All We Do… E3.6 Understand and use standard mathematical formulae

Excellence In All We Do… 3.6a 1)A taxi firm charges 25 pence per mile and a standard charge of £2. Write down a formula for the total cost, T, if the taxi travels m miles. 2)A rectangle has a width of w and a length of 2w. Write down a formula for the perimeter, P, in terms of w. 3)A equilateral triangle has sides of length 3u. Write down a formula for the perimeter, P, in terms of u. 4)A small box of sweets contains 12 sweets. A large box of sweets contains 26 sweets. Write down an expression for the number, N, of sweets if I buy p small boxes and q large ones. 5)A triangle has a base of length b and height of length h. Write down the formulae for the area, A in terms of b and h. Understand and use standard mathematical formulae

Excellence In All We Do… E3.7 Find pairs of numbers which satisfy an equation with two unknowns

Excellence In All We Do… 3.7a 1)List all the possible integer values of a and b in the following equation; a + b = 10 2)List all the possible integer values of c and d in the following equation; cd = 12 3)List all the possible positive integer values of e and f in the following equation; 2e + f = 8 4)How many pairs of values can you find that satisfy the following equation; 10p - q = 10 5)List all the possible integer values of g and h in the following equation; 3gh = 30 Find pairs of numbers which satisfy an equation with two unknowns

Excellence In All We Do… E3.8 Use the standard conventions for labelling the sides and angles of shapes

Excellence In All We Do… 3.8a 1)R Use the standard conventions for labelling the sides and angles of shapes 3

Excellence In All We Do… E3.9 Derive and apply formulae to calculate and solve problems involving the area of triangles, squares, rectangles and parallelograms

Excellence In All We Do… 3.9a 1)Calculate the area of a square of length 5cm. States the units of your answer. 2)Calculate the area of a triangle with a base of 4m and height of 5m. States the units of your answer. 3) Calculate the perimeter of a rectangle with a length of 6mm and a width of 3mm. States the units of your answer. 4) Calculate the perimeter of a rectangle with a length of 6.7m and a width of 4.5m. States the units of your answer. 5) The area of this rectangle is 30cm 2. Calculate the length l. State the units of your answer. Derive and apply formulae to calculate and solve problems involving the area of triangles, squares, rectangles and parallelograms 25cm 2 10m 2 18mm 22.4m 4cm 5 cm l

Excellence In All We Do… E3.10 Derive and use the sum of angles in a triangle and quadrilateral

Excellence In All We Do… 3.10a 1)o Derive and use the sum of angles in a triangle and quadrilateral

Excellence In All We Do… E3.11 Apply the properties of angles at a point on a straight line, vertically opposite angles

Excellence In All We Do… 3.11a 1)R Apply the properties of angles at a point on a straight line, vertically opposite angles

Excellence In All We Do… E3.12 Change freely between related standard units

Excellence In All We Do… 3.12a 1)R Change freely between related standard units

Excellence In All We Do… E3.13 Use unit pricing to solve problems

Excellence In All We Do… 3.13a 1)R Use unit pricing to solve problems