Addition and Subtraction - Ways to Make a Number
🎨 Math is a canvas! There are infinite ways to paint the exact same number using both addition and subtraction. Let's see your creativity!
Do this: Read the concept below, then try the quiz or activity.
Concept
A number, like the number 12, is just a destination. There are millions of different roads you can take to get there!
🎯 Addition Roads to 12: * 10 + 2 = 12 * 6 + 6 = 12 * 9 + 3 = 12 * 11 + 1 = 12
🎯 Subtraction Roads to 12: * 15 - 3 = 12 * 14 - 2 = 12 * 20 - 8 = 12 * 12 - 0 = 12
When a teacher asks you to show "ways to make a number", they are testing how flexible your brain is! A flexible brain is a great math brain.
Try it
Show off your math creativity!
Instructions: Write two addition sentences AND two subtraction sentences that equal the target number.
Target Number: 15 * Addition 1: ___ + ___ = 15 * Addition 2: ___ + ___ = 15 * Subtraction 1: ___ - ___ = 15 * Subtraction 2: ___ - ___ = 15
Target Number: 9 * Addition 1: ___ + ___ = 9 * Addition 2: ___ + ___ = 9 * Subtraction 1: ___ - ___ = 9 * Subtraction 2: ___ - ___ = 9
🏆 Creative Challenge: Make the number 20! Write the hardest, craziest addition or subtraction fact you can think of that equals 20. * ___ (+ or -) ___ = 20