These KaBoom cards are a fun way to practice addition and subtraction using column methods, with differentiation built in. Players choose whether they want to choose an easier question (red), but will receive less points for their correct answer, or risk a more challenging question (green) and gain greater rewards.
The red cards consist of questions involving two digit addition and subtraction with no carry over or borrowing (two questions in the red require carrying over to the tens digit). The Yellow Cards consist of three digit addition and subtraction involving carry over and borrowing. The Green Card consists of addition and subtraction involving decimals, where lining up of the digits is crucial.
Begin by laying all the cards out face down (so you see only the number of points they are worth). Players take turns to select a card, either red, yellow or green. The difficulty of the questions will increase. They may also pick up either a Steal Card, giving them a chance to steal from any other player, a Shield, which protects them from the next KaBoom, and KaBoom cards which means you lose all your collected points so far.
Play as a whole class in teams, or print multiple copies to play in small groups around the table. If students get the answer incorrect, or they need some help, use your judgement as to whether you will allow them another guess or not. Questions answered incorrectly go in the ‘house’ pile, along with any cards lost in a KaBoom. At the end of the game, add up the ‘house’ pile. The winner is the player or team with the highest points (including any shield cards that have been unused). The house can win.
Included are two copies of the game; one designed for a double sided printer and one designed for single sided printing where you need to turn over the pages yourself to print double sided.
Full instructions are included as are answers.
This is available as part of a bundle of other KaBoom games at a discount. Click here.
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£3.00