Rectangular Arrays. Using rectangular arrays is another method on our list of common core multiplication strategies for 3rd and 4th graders. It is quite similar to the one I explained above ...

By the time students start 4th grade in Jennifer Clark’s class, she hopes they have a solid grasp on their math facts. “Because we do so much multi-step problem solving, and we’re doing two ...

Since I know that 4 times 10 equals 40, I know that 40 divided by 4 is 10, because 10 would be the missing factor. Connor sees the problem 40 divided by 10 equals 4.

Multiplication facts typically describe the answers to multiplication sums up to 10x10. They are called “facts” as it is expected they can be easily and quickly recalled.

Students scored higher on a multiplication test after practicing through flashcards (retrieval practice) than by chanting aloud (restudy). Source: Figure 1 of “The effect of retrieval practice on ...

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There are still eight states in the country that have refused to adopt these common core multiplication strategies for 3rd and 4th graders: Texas, Alaska, Oklahoma, Virginia, Nebraska, Minnesota ...