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Review doubles and halves of 2 and 3 digit numbers with these printable boards for fun, strategic, and differentiated Four in a Row games. These 10 game boards are ideal activities for Math Centers - starters, early finishers etc. All boards (and answer grids) are included in color and black and white versions. The range of challenge across these games means they suit a range of grades or would be ideal for differentiation within the same class.
This packet includes:
A One Star game for both doubling and halving for younger or lower ability pupils - sidebars are included, featuring all answers, which children can strike through when used. However, I have also included these without the answer sidebars in case your students don’t need this added support. These games focus on lower 2-digit numbers and multiples of 10.
2 medium challenge doubling and halving boards (Two Stars), including some larger – and trickier – two and three digit numbers.
2 higher challenge doubling and halving boards (Three Stars). These feature mostly larger three digit numbers (and the halving of some four digit numbers).
Intended to be laminated and used again and again. Two players per board (or 4 if working in a pair). Printing in 11x17 (A3) is a good idea for a larger group but Letter size (A4) will work too. Opponents take it in turns to double (or find half of – depending on which game they’re playing) a number on the board. Using a different colored dry-wipe marker from each other, they mark the answer in the appropriate box. It works particularly well if they roll a dice to determine which column they must answer a question in (the columns are numbered 1-6). If the column they've rolled has all been completed, they could either roll again or miss a go. If different colored markers are not available, children could put their initial or a symbol next to their answer. First to correctly answer a line of 4 in a row – vertically, horizontally, diagonally – wins. Answer grids can be printed for students to self-check if required or they could just use a calculator at the end to check if they are correct.
You might be interested in my other resources for Doubling and Halving: Doubles and Halves I Have Who Has Games
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In October you might also be interested in my Halloween Mental Math Hidden Word Puzzles to review a range of mental math concepts in Mid to Upper Elementary.
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