Level 2
U + U + U + U = 1024 x 3. What number does each u stand for?
2 m
Level 2
The picture shows only the first 4 rows of black and white cards placed laid out by Ali. In total, 320 rows of cards are needed. The remaining cards will be arranged in the pattern as shown. How many black cards will Ali need for the whole banner?
3 m
Level 2
Simplify 45 x 4564 + 23 x 112
2 m
Level 1
Convert the fraction to
(a) a mixed number with a denominator of 100.
(b) a decimal.    

1214 = (a) _____ ; (b) _____
2 m
Level 3
The figures shows sequence of patterns of an arrangement of dots. '1st column' indicates the number of dots in the first column and the 'Total' indicates the number of dots in each pattern.
  1. Find the number of dots in Figure 9.
  2. Find the number of dots in Figure 20.
  3. If the first column of a figure is made up of 21 dots, find the number of dots that make up the figure.
3 m