expressions, or ten (regroup); equations. b. add a two-digit number and a multiple of 10. K.ATO.2 Solve 1.ATO.1 Solve real- 2.ATO.1 Solve one- and 3.ATO.8 Solve two-step real- 4.ATO.3 Solve multi-step real- real-world/story world/story problems two-step real-world/story world problems using world problems using the four problems using using addition (as a problems using addition (as addition, subtraction, operations. Represent the objects and joining action and as a a joining action and as a multiplication and division of problem using an equation drawings to find part-part-whole action) part-part-whole action) and whole numbers and having with a variable as the unknown sums up to 10 and and subtraction (as a subtraction (as a separation whole number answers. quantity. differences within separation action, action, finding parts of the Represent these problems NOTE: Repeated below under 10. finding parts of the whole, and as a using equations with a letter Multiplication and Division whole, and as a comparison) through 99 for the unknown quantity. concept. comparison) through 20 with unknowns in all NOTE: REPEATED under with unknowns in all positions. multiplication and division. positions. 1.ATO.2 Solve real- world/story problems that include three whole number addends whose sum is less than or equal to 20. K.ATO.4 Create a 1.ATO.3 Apply 2.NSBT.6 Add up to four sum of 10 using Commutative and two-digit numbers using objects and Associative Properties strategies based on drawings when of Addition to find the knowledge of place value given one of two sum (through 20) of two and properties of addends 1-9. or three addends. operations. 2.ATO. 4 Use repeated addition to find the total number of objects arranged in a rectangular array with up to 5 rows and up to 5 columns; write an equation to express the total as a sum of equal addends.
expressions, or equations. ten (regroup); b. add a two-digit number and a multiple of 10. K.ATO.2 Solve real-world/story problems using objects and drawings to find sums up to 10 and differences within 10. 1.ATO.1 Solve real- world/story problems using addition (as a joining action and as a part-part-whole action) and subtraction (as a separation action, finding parts of the whole, and as a comparison) through 20 with unknowns in all positions. 2.ATO.1 Solve one- and two-step real-world/story problems using addition (as a joining action and as a part-part-whole action) and subtraction (as a separation action, finding parts of the whole, and as a comparison) through 99 with unknowns in all positions. 3.ATO.8 Solve two-step real- world problems using addition, subtraction, multiplication and division of whole numbers and having whole number answers. Represent these problems using equations with a letter for the unknown quantity. NOTE: REPEATED under multiplication and division. 4.ATO.3 Solve multi-step real- world problems using the four operations. Represent the problem using an equation with a variable as the unknown quantity. NOTE: Repeated below under Multiplication and Division concept. 1.ATO.2 Solve real- world/story problems that include three whole number addends whose sum is less than or equal to 20. K.ATO.4 Create a sum of 10 using objects and drawings when given one of two addends 1-9. 1.ATO.3 Apply Commutative and Associative Properties of Addition to find the sum (through 20) of two or three addends. 2.NSBT.6 Add up to four two-digit numbers using strategies based on knowledge of place value and properties of operations. 2.ATO. 4 Use repeated addition to find the total number of objects arranged in a rectangular array with up to 5 rows and up to 5 columns; write an equation to express the total as a sum of equal addends.