2.NBT.1:
Number And Operations In Base Ten
Understand Place Value.
Understand that the three digits of a three-digit number represent amounts of hundreds, tens, and ones; e.g., 706 equals 7 hundreds, 0 tens, and 6 ones. Understand the following as special cases:
2.OA.1:
Operations And Algebraic Thinking
Represent And Solve Problems Involving Addition And Subtraction.
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
2.MD.7:
Measurement And Data
Work With Time And Money.
Tell and write time from analog and digital clocks to the nearest five minutes, using a.m. and p.m.
2.MD.8:
Measurement And Data
Work With Time And Money.
Solve word problems involving dollar bills, quarters, dimes, nickels, and pennies, using $ and c symbols appropriately. Example: If you have 2 dimes and 3 pennies, how many cents do you have?
2.NBT.7:
Number And Operations In Base Ten
Use Place Value Understanding And Properties Of Operations To Add And Subtract.
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 sometimes it is necessary to compose or decompose tens or hundreds.