Posted in Books, Remainder of One

Marching in line

More bug fun inspired by A Remainder of One

The 12th Bug Squadron is ready to parade. Digit Dog has put them in twos.

Explore the array using mathematical language:

  • Count in twos to find out how many there are – 2, 4, 6, 8, 10, 12.
  • Write an addition sentence 2 + 2 + 2 + 2 + 2 + 2 = 12
  • Write a multiplication sentence 6 x 2 = 12
  • Describe the ladybirds with words “6 groups of 2”.
  • Ask “how many groups of 2 are there?” “How many groups of 2 equal 12?”

counting in 2s

Calculating Cat’s ladybirds look different. She wants to quickly count how many ladybirds she has. How could she do it?

What number sentences could she say and write?

counting ladybirds

 

What is the same and what is different about the two groups of ladybirds?

Could they be arranged in any other way?

What if you put them in lines of 5? What do you notice?

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