Fluently add and subtract within 100 using strategies based on place value, properties of operations, and/or the relationship between addition and subtraction.
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Add and subtract within 100 using place values Lesson Plan Resources - Sample Questions
distributive property
Affiliate. the distributive property is simple to remember, in case you don't forget that "multiplication distributes over addition". formally, they write this property as "a(b + c) = ab + ac". in numbers, this means, for example, that 2(3 + 4) = 2×3 + 2×4.
What is the 10 strategy?
It facilitates students recognize place value and the relationships between numbers. ten-frames help students develop an excellent “thoughts photograph” for the make-ten strategy due to the fact our place value system is primarily based on making groups of ten.
What is an addition strategy?
Compensation is a intellectual math strategy for multi-digit addition that involves adjusting one of the addends to make the equation less complicated to resolve. ... Compensation is a beneficial approach for making equations less difficult to solve. more importantly, it encourages college students to assume flexibly about numbers.
