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Nice or nasty

Nice or nasty


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Concept:
Addition | Subtraction
Description:
Activity
Phase:
Intermediate Phase (Gr 4-6) & up
Number Range:
Any number
Materials Needed:
Cards or DIY Cards | Paper | Pen/Pencil
Players:
2 or more

Players use understanding of place value to compete against their partners to make the largest number using playing cards.

 

Purpose

  1. Practice place value

Materials

  • Deck of playing cards

How to play: The nice version

  1. Learners work in pairs
  2. Give each pair of learners 9 cards (1,2,3,4,5,6,7,8,9). Shuffle the cards we and place them in between the learners.
  3. Each learners should take a piece of paper and fold it twice to make four blocks (see picture shown). Label one column tens and one column ones.
  4. Learner A takes the top card from the pile and can it in any one of his/her four blocks. Learner B takes the top card from the pile and can put it in any one of his/her four blocks. Learner A takes the top card from the pile and can put in anyone of his/her remaining empty blocks. Learner B takes the top card from the pile and can put it in anyone of his/her remaining empty blocks.
  5. Continue in this way until the blocks are filled.
  6. Now compare the numbers that have been made.
  7. So for example, in the game shown in the picture learners A made 62 and 93 and learner B made 84 and 75.
  8. Determine which is the biggest number that has been made (here it is 93). The learner who made that number gets  a point.

The nasty version

The nasty version of the game is played in the same way except that each of the learners can put a card down in any empty block on their turn – even if that block is on their opponent’s paper. For example, if learner A picks up Ace (=) s/he could be nasty and put it in the column on opponent B’s paper. (It might be a good idea to let the child play the nasty version with an adult to avoid fighting)

 

Notes:

You can play this is a group, rather than in pairs. If played in a group then in the nasty version you can choose to put a card on anyone’s HTU columns.

Source:
nrich.maths.org

Published under a creative commons (BY-NC-SA) licence. You may use, copy, distribute or modify this content provided it is for non-commercial purposes. Please acknowledge: www.mathsclubs.co.za

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