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Math · K-12 · School

Math Basics

Elementary school basics: the four operations, fractions, rounding, and the basics of area and perimeter.

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30 basic cards for K-12 Math. It opens with "What is 5 + 7?" and "What is 9 - 4?". Study it alongside the other K-12 sets below.

30 cards · basic cards · AI-written, checked twice. Edit anything.

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What is 5 + 7?
Show answer12
What is 9 - 4?
Show answer5
What is 6 × 7?
Show answer42
What is 8 × 8?
Show answer64
What is 36 ÷ 6?
Show answer6
What is 100 ÷ 4?
Show answer25
What is an even number?
Show answerA number that is divisible by 2, such as 2, 4, 6, and 8
What is an odd number?
Show answerA number that is not divisible by 2, such as 1, 3, 5, and 7
How many sides does a triangle have?
Show answer3
How many sides does a square have?
Show answer4, all the same length
How do you find the area of a rectangle?
Show answerMultiply length × width
How do you find the perimeter of a square?
Show answerMultiply the length of one side × 4
What is 1/2 + 1/2?
Show answer1 (the whole number 1)
Which is greater, 1/2 or 1/4?
Show answer1/2 is greater
What is 47 rounded to the nearest ten?
Show answer50

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