2.MD.A.4 Grade 2 · Measurement and DataMeasure to determine how much longer one object is than another, expressing the length difference in terms of a standard length unit.Common Core State Standards for Mathematics, as adopted in the Massachusetts Curriculum Framework for Mathematics (2017), Grade 2.
Play the game: Measure Itfree, 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.
2.MD.A.1Measure length with a ruler2.MD.A.2Measure one thing with two sizes of unit: the bigger unit gives the smaller number2.MD.A.3Estimate lengths in inches, feet, centimetres and metres2.MD.B.5Length word problems within 100 on a ruler, with ? for the unknown2.MD.B.6Whole numbers as lengths from 0 on a number line2.MD.B.7Tell the time to the nearest five minutes on a clock with hands2.MD.B.8Money: dollar bills, quarters, dimes, nickels and pennies, written with $ and ¢2.MD.D.9Measure things to the whole unit and show the lengths on a line plot2.MD.D.10Picture graphs and bar graphs for up to four groups; put together, take apart and compareColorMyMath · 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.