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Number bond snap

Strand Number
Topic Addition
  • 1
  • 2
  • < 5 mins
    Prep < 5 mins
  • 5-10 mins
    Play 5-10 mins
  • Pairs
    Pairs
Complexity: Simple
Teaching style: Independent
Movement level: Active
Number bond snap

Summary

A new version of snap to consolidate addition facts to 10 and 20.


Curriculum content

  • Addition facts for 10 and 20

Materials

Card sets

  • 1 set of Mathletics number cards 0 to 20 0-20

Number bond snap

How to play

Set up

  1. Arrange students in pairs sitting side-by-side.
  2. Shuffle or mix up the cards and distribute half to each player.
  3. Place the cards in a pile face down in front of each player.
  4. Choose a target number, 10 or 20. Make the target number clear to see for all students.

Number bond snap

Rules

  1. Player 1 turns over a card and places it in the middle.
  2. Player 2 turns over a card and places it next to the first card.
  3. Repeat until a player identifies a pair that makes the target total and calls ‘snap’. Note: Discourage students from placing their hand over the cards. Instead, students could clap as they say ‘snap’.
  4. If the player is correct, they take all the cards in the piles.
  5. Play continues until one player runs out of cards.
  6. The winner is the player with the most cards at the end of the game.

Variations

CHANGE it down

  • Play with Mathletics image cards 1 to 5. Make the target number 5.
  • Play with Mathletics cards 1 to 10. Make the target number 10. Turn over 1 card at the beginning of each round to represent one addend. Students play their cards 1 at a time and call ‘snap’ when they turn over a card that adds to 10.

CHANGE it up

  • Choose a target number that is off the decade, eg 15.
  • Turn over 2 cards to make a 2-digit start number to represent one addend. Make the target number the next decade, eg if the 2-digit number is 43 then the target number is 50. Players play their cards 1 at a time and call ‘snap’ when they turn over a card that adds to the target number.

What to look for

  • Identify students using and applying known facts eg 3 + 7 = 10 so 13 + 7 = 20.
  • Do students have instant recall of any number facts?
  • Are students using efficient strategies to add?
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