Name: Date:The International Modern Arabic SchoolStudent Assessment 1.

1. If M = 3 and N = 7, both correct to the nearest whole number. Calculate the Upper and Lower bounds of a) MN and b) M/N.

2. Round the following numbers to the degree of accuracy shown in bracketsa) 2841 (Nearest 100)b) 7286 (Nearest 10)c) 48756 (Nearest 1000)

3. Round the following numbers to number of decimal places and number of significant figures shown in bracketsa) 0.8526 (2 d.p.)b) 0.0077 (3 d.p.)c) 1.5849 (2 d.p.)d) 3.84 (1 s.f.)e) 834.97 (2 s.f.)f) 0.00451 (1 s.f.)4. An Equilateral triangle has sides of length 4 cm correct to the nearest whole number. Calculate the Upper and Lower bounds for the perimeter of the triangle

5. A mass given as 46 kg, to the nearest kilogram, lies between kg and .. kg.

6. The rectangle with length 16.2 cm and width 7.4 cm are given to 1 d.p. Calculate the upper and lower bounds for the area.

7. Calculate the Upper and Lower bounds of the following calculations given that each number is written to the nearest whole number

a)

b)

c)