Interactive flip activity for Grade 3 children to practice mental math strategies. Students help a store clerk find an easier way to calculate 18 + 7 by using compensation strategy (18 + 2 + 5). Features immediate visual feedback and introduces compensation as a mental math strategy for easier calculations.

Interactive flip activity for Grade 3 children to practice mental math strategies. Students solve 14 + 9 using any mental math trick they learned from options 21, 22, 23, 24. Features immediate visual feedback and celebrates strategy mastery with a grand celebration festival theme.

Interactive flip activity for Grade 3 children to practice mental math strategies. Students drag sailboat 36 to the closest benchmark dock (30 or 40) to identify nearest ten. Features immediate visual feedback and introduces the concept of benchmark numbers as anchors for mental math calculations.

Interactive flip activity for Grade 3 children to practice mental math strategies. Students follow detective footprint clues starting at house 47 and count on 3 more to solve the mystery. Features immediate visual feedback and introduces counting on strategy for efficient addition.

Interactive flip activity for Grade 3 children to practice mental math strategies. Students help a bunny hop 6 spaces forward from 12 on a colorful number line to find where it lands. Features immediate visual feedback and introduces number line addition concepts through engaging playground-themed gameplay.

Interactive flip activity for Grade 3 children to practice mental math strategies. Students use the time machine shortcut method to solve 25 - 9 by subtracting 10 then adding 1. Features immediate visual feedback and introduces efficient subtraction shortcuts for mental math mastery.

Interactive flip activity for Grade 3 children to practice mental math strategies. Students drag magical grouping circles to show different ways to group numbers in addition problems. Features immediate visual feedback and introduces the concept that grouping numbers differently doesn't change the sum.

Interactive flip activity for Grade 3 children to practice mental math strategies. Students use estimation to find which number 23 + 19 is closest to by rounding to the nearest ten. Features immediate visual feedback and introduces estimation as a key number sense strategy.

Interactive flip activity for Grade 3 children to practice mental math strategies. Students solve 7 + 8 by recognizing it as double 7 plus 1 more, using the doubles-plus-one strategy. Features immediate visual feedback and introduces the concept of using known doubles facts to solve near-doubles problems.

Interactive flip activity for Grade 3 children to practice mental math strategies. Students drag two fairy helpers to transform 9 into 10 - 1, making the equation 17 + 9 easier to solve. Features immediate visual feedback and introduces the concept of using friendly numbers to simplify addition problems.

Interactive flip activity for Grade 3 children to practice mental math strategies. Students select the landing position after skipping up by 10 from 15 using mission control launch buttons. Features immediate visual feedback and introduces number sense & operations progression.

Interactive flip activity for Grade 3 children to practice mental math strategies. Students drag the number 4 to complete the equation 24 = 20 + 4, learning to break apart numbers for easier addition. Features immediate visual feedback and introduces the concept of decomposition as a mental math strategy.