2 2.MD.B.5 Grade 2 · Measurement and Data

2.MD.B.5: Length word problems within 100 on a ruler, with ? for the unknown

Use addition and subtraction within 100 to solve word problems involving lengths that are given in the same units, e.g., by using drawings (such as drawings of rulers) and equations with a symbol for the unknown number to represent the…Common Core State Standards for Mathematics, as adopted in the Massachusetts Curriculum Framework for Mathematics (2017), Grade 2.

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How ColorMyMath teaches it

Lengths, areas and volumes are built from the same dots, one more direction each time. Measuring means laying real units end to end with no gaps.

Every page is free and open — nothing to install, no account, and it works on a phone or a classroom board. Every number has its own color: 1 red, 2 orange, 3 yellow, 4 green, 5 blue, 6 purple, 7 brown, 8 pink, 9 cyan, and a number is that many colored dots.

More Grade 2 standards in Measurement and Data

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ColorMyMath · getridoftheteacher.com · every number has its own color, and a number is that many colored dots. Matching a game to a standard is a judgement call; the official text is at doe.mass.edu.