Do you need a quick math assessment to check your 2nd grade students' progress? The following skills are assessed: -comparing numbers (1.NBT.3/2.NBT.4) -numbers before/after (1.NBT.1/2.NBT.2) -number sense using tens and ones (1.NBT.2/2.NBT.1) -skip counting (2s, 5s, 10s off the decade, 100s) (2.NBT.2) -addition 1 digit/1 digit, 2 digit/1 digit, four 2 digit numbers (1.OA.6/2.NBT.5/2.NBT.6) -subtraction 1 digit/1 digit, 2 digit/1 digit (1.OA.6/2.OA.2) -related facts (aka fact family) (2.OA.2/2.