Final exit ticket for the unit. Assesses multi-step problem solving and strategy selection.

Final activity sheet for the unit. Includes multi-step word problems and encourages students to choose the best strategy for each step.

Instructional guide for the final lesson of the unit, focusing on multi-step problem solving and strategy synthesis.

Exit ticket for Lesson 11 evaluating student ability to subtract from 200 using a chosen strategy.

Worksheet for practicing subtraction across zeros using both base-ten decomposition and the counting-up strategy.

Instructional guide for Lesson 11 focusing on subtracting across zeros using multiple place value strategies.

Exit ticket for Lesson 10 evaluating student understanding of decomposing a hundred into ten tens during subtraction.

Worksheet for practicing subtraction with decomposing hundreds to tens. Includes a place value chart for base-ten drawings.

Instructional guide for Lesson 10 focusing on decomposing a hundred into ten tens during subtraction.

Exit ticket for Lesson 9 assessing student understanding of decomposing a ten into ten ones during subtraction.

Worksheet for practicing subtraction with decomposing tens to ones. Includes a place value chart for base-ten drawings.

Instructional guide for Lesson 9 focusing on decomposing a ten into ten ones during subtraction.

Exit ticket for Lesson 8 assessing student ability to find the difference between two numbers using a counting up approach.

Student worksheet for finding the difference between numbers by counting up on an open number line. Includes starting and ending points for guided practice.

Teacher guide for Lesson 8: Subtraction Counting Up. Focused on the relationship between addition and subtraction.

Exit ticket for Lesson 7 evaluating the ability to solve a subtraction problem by counting back on an open number line.

Student worksheet for practicing subtraction by jumping back on an open number line. Features a "demolition" theme with right-to-left layout.

Instructional guide for Lesson 7 focusing on the "counting back" strategy for subtraction using an open number line.

Exit ticket for Lesson 6 evaluating student understanding of regrouping tens into hundreds in addition.

Worksheet for practicing addition with regrouping tens to hundreds. Features a place value chart for base-ten drawings andtrades.

Instructional guide for Lesson 6 focusing on regrouping tens into hundreds in multi-digit addition.

Exit ticket for Lesson 5 assessing student understanding of regrouping ones into tens in a 3-digit addition problem.

Worksheet for practicing addition with regrouping ones to tens. Includes a place value chart for base-ten drawings and trades.

Instructional guide for Lesson 5 focusing on base-ten regrouping (ones to tens) using drawings.

Exit ticket for Lesson 4 evaluating the use of an open number line for a 3-digit addition problem.