Progression for Instruction on Fractions
If a fraction is a piece of pie, how can we make students understand multiplying two pieces of pie? – …
Category Archives: Grade 5
Subtraction with regrouping: Focus on number sense
Subtraction with regrouping is often the nemesis of math teachers; it is one of those topics that many students just …
What mathematics do teachers need to know?
For anyone planning to teach K-12 mathematics in the era of the Common Core Standards, this report from the Conference Board …
Fun with large numbers, Fermi, and David Schwartz
If you placed quarters end to end all along the equator and then got to keep them all, how much …
Bedtime Math
Be sure to visit Bedtime Math daily for fun, informative stories accompanied by math problems for your students at three levels.
How many rectangles?
Give your students a challenge with this competition problem.
Adding fractions with like denominators
Click here for a problem that emphasizes multiple ways to decompose a given fraction, and helps identify the misconception of students …
Understanding Expressions
Instead of asking students to write expressions that represent real life situations, this task defines the variables, presents expressions, and asks …
What does it mean to multiply by a fraction?
Help students understand multiplication by a fraction with this activity, where two students discuss different models of fraction multiplication and …
Comparing a number and a product
Build rational number sense with this activity that asks students to consider which number is greater without performing the multiplication.
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