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Patterns

P_CM_M4_E1_fig4

Five collections of dots: a single dot, a 2 by 2 square array, a 3 by 3 square array, a 3 by 4 array, a 3 by 5 array.

Cora’s pattern.

P_CM_M4_E1_fig5

Five collections of dots: a single dot, a 2 by 2 square array, a 3 by 3 square array, a 4 by 4 square array, a 5 by 5 square array.

A correct solution.

P_CM_M4_fig1

Five triangular arrays, with the number of dots on each side varying from one to five. The number of dots in each array is also given: 1, 3, 6, 10 and 15.

Triangular numbers.

P_CM_M4_TA1_fig1

Six cubes, alternating in colour between red and yellow.

Simple repeating pattern.

P_CM_M4_TA1_fig2

Three groups of cubes alternating in colour between red and yellow. The groups grow by two each time, starting with two cubes.

Growing pattern.

P_CM_M5_E1_fig1

A grid of horizontal and oblique lines forming triangles.

A triangle tessellation.

P_CM_M5_E1_fig2

The original grid of lines, with various sizes of triangle highlighted.

Similar triangles.

P_CM_M5_E1_fig3

The original grid of lines, with six triangles around a point highlighted.

Six triangles fit around each point.

P_CM_M5_fig1

A blank rectangular grid of twelve equally sized squares in a three by four pattern.

A rectangular grid of squares.

P_CM_M5_fig2

Three rows of four circles touching each other in a rectangular pattern.

A rectangular array of circles.

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