Math

Your child can sharpen his/her addition and subtraction skills while playing these math games.

 

Playing Card Addition

To get ready to play the game, take a deck of cards and remove all of the tens, jacks, queens, and kings. You will need all of the remaining thirty-six cards. Each card's value is the number on the card. The aces are worth one.

  1. Each player gets three cards.
  2. Using the numbers on the cards, each player makes two addition facts and writes them on a piece of paper.
  3. Addition facts with a sum of 10 or more receive two points. Addition facts whose sum is less than ten receives 1 point. The point is to try to get a combination that will give you the greatest number of points.
  4. The player who receives 10 points first wins.
  5. To make the game more challenging, deal four cards to each player.

Egg Carton Math

Take an empty egg carton. Use a marker to write the numbers 0-5 in the bottom of the cups. You will need to write each number twice. Place two beans in the egg carton and close it. Before beginning the game, determine how many turns each player will take before the game ends.

  1. The first player shakes the carton. He/she then opens the carton and adds the numbers where the beans landed.
  2. If the player gives the correct answer, he/she scores 1 point.
  3. Play continues until all players have taken the agreed number of turns.
  4. The player with the most points at the end of the game is the winner.
Variations:
Subtract the two numbers.
Label the cups with the numbers 0-11.
Use three beans.

What's the Sum

To prepare for this game, take a set of 20 3x5 cards and write any numbers between 0 and 50. Mix the cards up and lay them face down on the table.

  1. Each player picks two cards and turns them over at the same time. Each player adds the two numbers he/she turned over.
  2. The player with the greatest answer gets to keep all four cards.
  3. Play continues until all of the cards have been turned over.
Variations:
Have the players subtract the two numbers.
Play with a larger number of cards.

Bowl Game

You will need a bowl (or coffee mug) and some small objects (i.e. pennies, beans, buttons, M & Ms) for this game.

  1. Place the bowl upside down on the table.
  2. Choose a number between 4 and 10. Make sure your child knows how many objects there are in all. Hide some of the objects under the bowl and place the rest on top.
  3. Have your child tell you how many objects are on top of the bowl and then tell how many are underneath.
  4. Keep the number of objects the same (just change how many are hiding) on each subsequent turn.
Variations:
Use between 4 and 20 objects.
Hide some of the objects in one hand and have your child tell you how many are hidden in the other hand.

Websites

www.everydaymath.uchicago.edu

www.aplusmath.com

www.coolmath.com

www.matti.usu.edu National Library of Virtual Manipulatives for Interactive Math

 

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