A cumulative assessment worksheet for the final lesson of the Operation Patterns Lab. Students must solve a complex two-step word problem by creating a tape diagram, writing a variable-based equation, and performing a reasonableness check.

A slide deck for the culminating lesson of the Operation Patterns Lab. It features a cumulative "Final Boss" problem that requires students to apply all their learned skills (rounding, tape diagrams, equations) and celebrates their completion of the intervention lab.

A student worksheet for Lesson 11 where students summarize their learning by identifying and explaining various arithmetic rules and properties they have discovered. Includes "Why" detective prompts and a pattern challenge.

A slide deck for Lesson 11 summarizing key arithmetic patterns discovered throughout the lab. Includes a Math Talk focused on explaining the logic behind odd/even sum rules and a visual summary of addition, multiplication, and square patterns.

A student worksheet for Lesson 10 where students solve complex two-step problems by first mapping out the required operations and then calculating each step. Includes a section for self-checking with an estimate.

A slide deck for Lesson 10 focusing on choosing operations in multi-step word problems. It breaks down the actions of addition, subtraction, multiplication, and division in context and models how to map out a two-step problem.

A student worksheet for Lesson 9 where students practice representing two-step word problems using equations with a letter standing for the unknown quantity. Includes multiple choice for equation matching and space for solving.

A slide deck for Lesson 9 introducing variables in two-step equations. It teaches students how to represent unknown quantities with letters and how to use parentheses to group related operations in a multi-step problem.

A student worksheet for Lesson 8 where students solve two-step word problems involving multiplication and division. It uses visual arrays and step-by-step thinking frames.

A slide deck for Lesson 8 focusing on two-step word problems involving multiplication and division. It emphasizes identifying "groups" and "items per group" as the first step in a multi-action problem.

A student worksheet for Lesson 7 where students use tape diagrams to represent and solve two-step word problems involving addition and subtraction.

A slide deck for Lesson 7 introducing two-step word problems involving addition and subtraction. It uses tape diagrams to help students visualize the relationship between parts and the whole in multi-step scenarios.

A student worksheet for Lesson 6 where students practice the "Round, Estimate, Compare" routine to check the reasonableness of their answers in addition and subtraction problems.

A slide deck for Lesson 6 focusing on the routine of checking for reasonableness. It introduces a 3-step process (Round, Estimate, Compare) to help students self-monitor their work in word problems.

A student worksheet for Lesson 5 on rounding. Students practice locating numbers on a number line between "landmark" multiples of 10 and identifying the nearest landmark using midpoints.

A slide deck for Lesson 5 on rounding. It uses a Math Talk routine focusing on number line proximity and establishes the concept of benchmark "landmark" numbers and midpoints for rounding to the nearest 10.

A student worksheet for Lesson 4 exploring the distributive property through patterns. Students practice breaking larger multiplication facts like 7s and 8s into smaller, known components like 5s and 2s.

A slide deck for Lesson 4 exploring the distributive property through patterns. Includes a split-array visual and a Math Talk routine focused on breaking large facts into known components.

A student worksheet for Lesson 3 focusing on square numbers. Students identify the visual representation of square numbers and investigate the growth pattern between consecutive squares (+3, +5, +7, etc.).

A slide deck for Lesson 3 focusing on square numbers. Includes a Math Talk and an investigation of the diagonal in the multiplication table, highlighting the growth pattern between squares.

A student worksheet focusing on skip-counting patterns of 5 and 10. Students identify units digit patterns and explain the relationship between multiples of 5 and 10.

A slide deck for investigating patterns in multiples of 2, 5, and 10. Includes a choral count routine and visual breakdowns of how these patterns overlap.

A student worksheet for the first lesson where they investigate patterns in the addition table. Includes a partial table to complete and spaces for recording observations and rules about even and odd numbers.

A visual slide deck for the first lesson of the Operation Patterns Lab. It includes a Math Talk, a Notice and Wonder investigation of an addition table, and key conceptual summaries for Tier 2 intervention.

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.

Student activity sheet for practicing addition on an open number line. Features clear starting points and ample space for "jumps" of hundreds, tens, and ones.