Find the matching number pairs
A Math learning game for primary school, Grade 1 to Grade 6
Find the matching number pairs: a number and its dots, two forms of one number, meters and centimeters, fractions, decimals and percent.
The Android app is on Cafe Bazaar and Myket, Iran's app stores. Anywhere else, play the online version in any browser.
Number Pairs is part of the Nikipoo School app, alongside 85 other games. The game is in Persian.
A memory game with face-down cards. The child flips two cards and looks for matches; the two sides of each pair are different from each other — word and meaning, number and count, tool and job — so memory and understanding work together.
A math concept sticks when the child recognizes it in several forms. Number Pairs is a face-down memory game, but the two sides of each pair aren't identical: a number and its dots, an addition and its answer, a number and its expanded form, a fraction and its picture, a fraction and its decimal. Grade 1 has "make ten together" and a number with its name; grade 3 has multiplication, division and simple fractions; grade 4 has equivalent fractions and remainders; and grade 6 has prime factorization, fraction reciprocals and harder percentages.
The child has to recall where on the screen a card they flipped a moment ago was. This kind of remembering, called visual-spatial memory, plays a role in reading charts, geometry, and even writing problems neatly on paper — and this game gives it steady practice.
When the child matches "three-quarters" with "0.75" or with a picture where three of four parts are shaded, they understand these are just different names for the same thing. Being able to move between different representations of one value is a mark of deep math understanding, not just memorized formulas.
To find the match for "7 × 6", the child first has to work out the product, then recall where the card "42" was. Calculation and memory work at the same time. This link makes the answers connect to each other in the child's mind and stay with them longer.
Two cards that aren't a match quietly flip back after a moment. The child gradually realizes that flipping cards at random doesn't get them anywhere, and that patience and a plan work better instead. This shift from rushing to reflecting is practice for patience and self-regulation.
A tip for parentsMake paper cards together: write "6 × 4" on one and "24" on another, or "one-half" and "0.5". Take turns playing with family members, and on your own turn, think out loud so the child sees how you remember where the cards are.
Level titles are listed in the order the child plays them — from easy to hard, following the school textbook.
Grade 168 levels
Grade 2128 levels
Grade 3116 levels
Grade 492 levels
Grade 5128 levels
Grade 680 levels
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Number Riddles
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Open Nikipoo School — Number Pairs and 85 other games are waiting for you.
The Android app is on Cafe Bazaar and Myket, Iran's app stores. Anywhere else, play the online version in any browser.
Nikipoo School
