8 fun no-prep printable Mental Math Cross Number puzzles, originally designed for Third and Fourth Grade (and other equivalents) for revision and consolidation of mental calculations, including Addition, Subtraction, Multiplication, Division, Fractions, and Place Value. An engaging alternative to standard worksheets, these activities can be used for early finisher tasks, starters, homework etc. It may suit some younger and older learners too.
They could be completed by individuals or in pairs or small groups, where they will promote important discussions about different mental strategies. As in a crossword puzzle, students will find it easier to work out some of the more challenging calculations once they have filled in some of the easier ones as some digits will already be there for them. Puzzle 8 is larger and more challenging than the others. Answer Keys are included for all 8 puzzles and could be printed for students to self-check (or displayed later on the board) and therefore cut down on your marking!
Differentiation: I have called this packet Set B rather than used any other identifier to help facilitate the use of my Set A puzzles (originally designed for students up to Fifth Grade) with higher ability students within the same class, if required, without children being aware of the age level of the calculations.
Set A can be found here:
Mental Math Crossnumber Puzzles (4th and 5th Grade)
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I have a growing collection of Math Puzzles packets in my store, such as this one for Fractions:
Fractions Puzzles (Worksheets)