Grade 2
2-PS1-2
Analyze data obtained from testing different materials to determine which materials have the properties that are best suited for an intended purpose.*
October 1, 20182-PS1-3
Make observations to construct an evidence-based account of how an object made of a small set of pieces can be disassembled and made into a new object.
October 1, 20182.L.2d
Generalize learned spelling patterns when writing words (e.g., cage -> badge; boy -> boil).
October 1, 20182.OA.C3
Determine whether a group of objects (up to 20) has an odd or even number of members, e.g., by pairing objects or counting them by 2s; write an equation to express an even number as a sum of two equal addends.
October 1, 20182.OA.C4
Use addition to find the total number of objects arranged in rectangular arrays with up to 5 rows and up to 5 columns; write an equation to express the total as a sum of equal addends.
October 1, 20182.OA.A1
Use addition and subtraction within 100 to solve one- and two-step word problems involving situations of adding to, taking from, putting together, taking apart, and comparing, with unknowns in all positions, e.g., by using drawings and equations with a symbol for the unknown number to represent the problem.1
October 1, 20182.OA.B2
Fluently add and subtract within 20 using mental strategies.2 By end of Grade 2, know from memory all sums of two one-digit numbers.
October 1, 20182.NBT.A1b
The numbers 100, 200, 300, 400, 500, 600, 700, 800, 900 refer to one, two, three, four, five, six, seven, eight, or nine hundreds (and 0 tens and 0 ones).
October 1, 20182.NBT.A3
Read and write numbers to 1000 using base-ten numerals, number names, and expanded form.
October 1, 20182.NBT.A4
Compare two three-digit numbers based on meanings of the hundreds, tens, and ones digits, using >, =, and < symbols to record the results of comparisons.
October 1, 20182.NBT.B5
Fluently add and subtract within 100 using strategies based on place value, properties of operations, and/or the relationship between addition and subtraction.
October 1, 2018