4.NF.A.1 Grade 4 · Number and Operations — FractionsExplain why a fraction a∕b is equivalent to a fraction (n × a)∕(n × b) by using visual fraction models, with attention to how the numbers and sizes of the parts differ even though the two fractions themselves are the same size.Common Core State Standards for Mathematics, as adopted in the Massachusetts Curriculum Framework for Mathematics (2017), Grade 4.
Play the game: Fraction Stripsfree, no sign-up →A fraction is a piece of something you can see — a strip, a block, a share. Equal parts are drawn before they are named.
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.NF.A.2Compare fractions with different numerators and denominators4.NF.B.3Add and subtract fractions with like denominators4.NF.B.4Multiply a fraction by a whole number4.NF.C.5Tenths as hundredths: 3/10 = 30/100, and 3/10 + 4/100 = 34/1004.NF.C.6Write tenths and hundredths as decimals4.NF.C.7Compare decimals to hundredths by their sizeColorMyMath · 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.