Grade 5 Math: Mass and Weight
29 printable 5th Grade math worksheets on Mass and Weight. The first three are free to download; All Access opens all 29.
Practice pages support a program; they are not the lesson. These sheets reinforce Building Number Sense Grade 5, the sequenced K–5 math series from Faith Thinkers. See every program →
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Teaching Mass and Weight
What it is
At this level mass and weight are worked in grams, kilograms, ounces, pounds, and tons, with conversion, addition, and word problems where the units must be matched before anything is computed.
When a child is ready
Begin once decimal computation is fluent and conversion within one system is understood.
If they struggle
Mixed units are where the errors live. For 3 lb 5 oz minus 1 lb 9 oz, trade one pound for 16 ounces and rewrite it as 2 lb 21 oz before subtracting, the same move as regrouping a ten. Metric needs no trade at all, only a decimal point moved, so have the child say which system the problem is in before the first line is written.
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