Use place value understanding and properties of operations to add and subtract.
- NY-2.NBT.7a 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 representation.
- NY-2.NBT.7b. Understand that in adding or subtracting up to 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.
April 20-May 1
Measure and estimate lengths in standard units.
- NY-2.MD.1 Measure the length of an object to the nearest whole by selecting and using appropriate tools such as rulers, yardsticks, meter sticks, and measuring tapes.
Represent and interpret data.
- NY-2.MD.10 Draw a picture graph and a bar graph (with single-unit scale) to represent a data set with up to four categories. Solve simple put-together, take-apart, and compare problems using information presented in a picture graph or a bar graph.
Work with time and money.
- NY-2.MD.7 Tell and write time from analog and digital clocks in five-minute increments, using a.m. and p.m. Develop an understanding of common terms, such as, but not limited to, quarter past, half past, and quarter to.
- NY-2.MD8a. Count a mixed collection of coins whose sum is less than or equal to one dollar.
- NY-2.MD8b. Solve real world and mathematical problems within one dollar involving quarters, dimes, nickels, and pennies, using the ¢ (cent) symbol appropriately.
Reason with shapes and their attributes.
- NY-2.G.1 Classify two-dimensional figures as polygons or non-polygons.
- NY-2.G.2 Partition a rectangle into rows and columns of same-size squares and count to find the total number of them.
Reason with shapes and their attributes. Represent and solve problems involving addition and subtraction.
- NY-2.G.3 Partition circles and rectangles into two, three, or four equal shares. Describe the shares using the words halves, thirds, half of, a third of, etc. Describe the whole as two halves, three thirds, four fourths. Recognize that equal shares of identical wholes need not have the same shape.
- NY-2.OA.1a Use addition and subtraction within 100 to solve one-step word problems involving situations of adding to, taking from, putting together, taking apart, and comparing, with unknowns in all positions.