4.MD.C.7 Grade 4 · Measurement and DataRecognize angle measure as additive.Common Core State Standards for Mathematics, as adopted in the Massachusetts Curriculum Framework for Mathematics (2017), Grade 4.
Play the game: Anglesfree, no sign-up →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.
4.MD.A.1Sizes of units in one system (1 ft = 12 in, 1 h = 60 min) and conversion tables4.MD.A.2Word problems with distances and time intervals4.MD.A.3Area and perimeter of rectangles in real problems, including a missing side4.MD.B.4Line plots in halves, quarters and eighths; add and take away the fractions on them4.MD.C.5An angle is a turn: 360 one-degree turns make a full circle4.MD.C.6Read and make angles with a protractorColorMyMath · 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.