Grade 2
2-LS4-1
Make observations of plants and animals to compare the diversity of life in different habitats
October 1, 20182-PS1-1
Plan and conduct an investigation to describe and classify different kinds of materials by their observable properties
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.NBT.B7
Add and subtract within 1000, using concrete models or drawings and strategies based on place value, properties of operations, and/or the relationship between addition and subtraction; relate the strategy to a written method. Understand that in adding or subtracting three-digit numbers, one adds or subtracts hundreds and hundreds, tens and tens, ones and ones; and … Read More “2.NBT.B7”
October 1, 20182.NBT.B8
Mentally add 10 or 100 to a given number 100-900, and mentally subtract 10 or 100 from a given number 100-900.
October 1, 20182.NBT.B9
Explain why addition and subtraction strategies work, using place value and the properties of operations.1
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, 2018