The Pied Piper of Hamelin : nrich.maths.org
Place value Wingdings jigsaw
Addition Strategy Mat! Great idea :)
Light Bulbs and Laughter: Unlocking the "Secret Code" of Multiplication Memorization
experiment to show that heat speeds up the movement of water molecules
Where was this a month ago when I started teaching equivalent fractions??? File it away for next year ... Foldable for teaching equivalent fractions
Fraction foldable: great idea!
Multiplication strategies foldable(equal groups, array, repeated addition, skip counting, and number lines)