These cards go from 1-999, and 0.001 to 0.999. I use them with bundles of drinking straws.

Dividing by 4

Using a checked table cloth to demonstrate dividing 13 by 4.

Different arrays for 12 counters

12 counters can be arranged as 12 x 1, 1 x 12, 6 x 2, 2 x 6, 3 x 4 and 4 x 3.

Factors of 12

Dots

I show children the dot cards one at a time very quickly so that the "subitize" (recognise a number of dots without counting). We can normally only do this up to about 6 but if we group them, such as 5+4, we can recognise larger numbers.

Number strips

Place value cards with straws

Place value cards and the bundles of straws I use them with.

100 bead chain

100 bead chain and abacus up to 20.

Dominoes 3

Phonic dominoes

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Different arrays for 12 counters

12 counters can be arranged as 12 x 1, 1 x 12, 6 x 2, 2 x 6, 3 x 4 and 4 x 3.