What statement most accurately describes a person who has mastered basic facts quizlet?

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This reasoning strategy is commonly used in high performing countries and takes advantage of student's knowledge of combinations. Identify the equation that represents this strategy.

A] 14 - 8, take away 4 to get to 10, then take away 4 more to get the answer.

B] 15 - 8, think 10 + 5 - 8, take from the 10: 10 - 8, add back on the 5 to get the answer.

C] 12 - 5, it takes 5 to get to 10 and 2 more to 12 and 5 + 2 = to get to the answer.

D] 7 + 6, 5 + 2 is seven and 6 is 5 + 1, add 5 + 5 and add the 2 and 1 to get the answer.

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What property cuts the number of single digit addition basic facts to learn almost in half?

Since the order of the addends does not influence the sum, it is sufficient to know one of these diagonals and this then determines the other. So the commutative property of addition cuts the amount of facts that need to be memorized almost in half.

What is the word for children being able to just see how many there are without counting?

Perceptual subitizing—the ability to see a small number of objects and know how many there are without counting. For example, this skill allows us to realize we “rolled six” on a die without counting. It is usually an instantaneous realization, and generally applies to small amounts of objects.

What statement below is the description of a part part whole?

What statement below is the description of a Part-part-whole? Two parts that are conceptually or mentally combined into one whole. Problems with the join and separate structures, with the start or initial amount unknown, tend to be the hardest for students to understand and accurately solve.

What is the importance of students knowing the commutative property?

What is the importance of students knowing the commutative property? Helps students master basic facts because, if they really understand it, it reduces the number of individual facts they have to memorize.

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