Standards CCSS.MATH.CONTENT.3.OA.A.1 – Interpret products of whole numbers, e.g., interpret 5 × 7 as the total number of objects in 5 groups of 7 objects each. CCSS.MATH.CONTENT.3.OA.A.3– Use multiplication and division within 100 to solve word problems in situations involving equal groups, arrays, and measurement quantities. CCSS.MATH.CONTENT.3.OA.A.4-Determine the unknown whole number in a multiplication or…
Standard: CCSS.MATH.CONTENT.3.NF.A.1 Number & Operations – Fractions: Understand a fraction 1/b as the quantity formed by 1 part when a whole is partitioned into b equal parts; understand a fraction a/b as the quantity formed by a parts of size 1/b. Lesson Time: 50 minutes This 20-minute activity introduces students in Grades 3-5 to fractions…
One half means it’s fair Who doesn’t want life to be fair? Learning fractions? Start with the most basic – dividing a whole into two equal parts. Equal is the key point emphasized here. It’s not enough to be in two parts, you need two equal parts. Fractions are more than pizza I like this…
When first learning fractions, I’ve found most students benefit from lots and lots of examples. It’s fine to teach rules and procedures, which I do, but I also try to show that rule applied in many different contexts. Watch this video for many examples of how N/N = 1 . Whether it is one trip,…
Knowing your math terms is important. Students asked to find the quotient may not get the right answer not because of an inability to divide 28 by 4 but rather because they don’t know what the word ‘quotient’ means. This video goes over the terms for addition, subtraction and multiplication. This video is featured in…
Standard There’s more than one way to solve a problem, which is why we have a whole series of videos teaching problem-solving. Lesson One problem-solving strategy: build a model A model can be visual, as shown in this video. There’s also nothing wrong with a physical model, say, actually putting a dozen books in a…
This is a great 10-minute lesson. Watch this Standards-aligned video on how to use a number line in fraction problems.
Lesson: Multiplication and Red River Carts
Standards Summary This lesson is just a final review of multiplication before heading on to division. Our last lesson was all Ojibwe history. For a little variety we combined social studies and math today. Did you know you can also play Making Camp offline on your tablet or phone? Well, you can. You can play…
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