Common Core State
1.G.A2
Compose two-dimensional shapes (rectangles, squares, trapezoids, triangles, half-circles, and quarter-circles) or three-dimensional shapes (cubes, right rectangular prisms, right circular cones, and right circular cylinders) to create a composite shape, and compose new shapes from the composite shape.1
October 1, 20181.G.A3
Partition circles and rectangles into two and four equal shares, describe the shares using the words halves, fourths, and quarters, and use the phrases half of, fourth of, and quarter of. Describe the whole as two of, or four of the shares. Understand for these examples that decomposing into more equal shares creates smaller shares.
October 1, 20181.MD.A1
Order three objects by length; compare the lengths of two objects indirectly by using a third object.
October 1, 20181.MD.A2
Express the length of an object as a whole number of length units, by laying multiple copies of a shorter object (the length unit) end to end; understand that the length measurement of an object is the number of same-size length units that span it with no gaps or overlaps. Limit to contexts where the … Read More “1.MD.A2”
October 1, 20181.MD.B3
Tell and write time in hours and half-hours using analog and digital clocks.
October 1, 20181.MD.C4
Organize, represent, and interpret data with up to three categories; ask and answer questions about the total number of data points, how many in each category, and how many more or less are in one category than in another.
October 1, 20181.NBT.A1
Count to 120, starting at any number less than 120. In this range, read and write numerals and represent a number of objects with a written numeral.
October 1, 20181.NBT.B2
Understand that the two digits of a two-digit number represent amounts of tens and ones. Understand the following as special cases:
October 1, 20181.NBT.B2b
The numbers from 11 to 19 are composed of a ten and one, two, three, four, five, six, seven, eight, or nine ones.
October 1, 20181.NBT.B2c
The numbers 10, 20, 30, 40, 50, 60, 70, 80, 90 refer to one, two, three, four, five, six, seven, eight, or nine tens (and 0 ones).
October 1, 2018K.OA.A2
Solve addition and subtraction word problems, and add and subtract within 10, e.g., by using objects or drawings to represent the problem.
October 1, 2018