CAIE IGCSE Mathematics Core C1.5.1 Order Quantities By Magnitude and Demonstrate Familiarity with the Questions

Work through Core CAIE IGCSE Mathematics comparison questions by converting values to equivalent forms and ordering them accurately.

Exam points

compare and order positive and negative numbers, fractions, decimals and percentages
convert between equivalent numerical forms before comparing their size
use place value and standard-form notation to compare numbers accurately

[Maximum number: 2]

Write these numbers in order, starting with the smallest.

$\frac{7}{18}$ 39% $\frac{15}{40}$ 0.388

................ < ................ < ................ < ................
smallest

$\frac{15}{40}$ , 0.388, $\frac{7}{18}$ , 39%

B1 for 3 in the correct order
OR M1 for 0.389 or 0.3888 or 0.3889, and 0.39, and 0.375

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