Idea 240: Doubles and Halves to 20 Quiz Card Making

I’ve started this year really going back to basics and making sure my class has plenty of time to go over number bonds and doubles/halves, so that their mental maths is in good shape. This was a simple idea I came up with for practising and practising doubles and halves.

I folded a blank A4 piece of paper in half 4 times, then opened it back out so that I had 16 boxes. I cut the paper up along the folds to make 16 small flashcards. On each card I wrote a doubles/halving question like:

Double 6?

12.

I made a stack of the cards and at the start of the lesson I asked for a volunteer and gave them 45 seconds to see how many cards they could ‘win’. This got the class interested and excited in the game they were going to play, and obviously it also modelled the activity for the class. I tried this out with a few different pupils and talked about how it didn’t matter if someone got more or less, it was really about beating your own score next time.

I demonstrated to my class how to fold up their paper, then they cut it out and began making their own cards. I gave each pair a sheet with visual representations of doubles and halves to 20 (taken from Twinkl) so that they could check their facts were correct as they wrote them up.

This activity worked well, as the children were referring to and practising their doubles and halves while making the cards!

At the end of the first lesson I gathered in all the cards and had a sort through and made roughly-equal-sized decks for each table in my class. In the next lesson, we revised the game and then I had the children play the quiz game in their groups of 4. One child asked questions, one answered, and the other two kept score with tallies on their whiteboards to make sure they got a matching, accurate final score. Each child got 1 minute to see how many cards they could ‘win’. Children who were not secure on their facts were allowed to have the visual representation sheet they had used in the previous lesson to refer to.

The bonus of this activity is that I now have the cards made and intend to use them every week or two to keep doubles and halves fresh in the children’s minds.

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