Looking for free content to use with your textbook? You’ve come to the right place!
Get Free Content to Use with ORIGO Stepping Stones 2.0 – 2nd Grade
Khan Academy is a nonprofit with thousands of free videos, articles, and practice questions for just about every skill.
No ads, no subscriptions – just 100% free, forever.
| Lesson 1.1: Number: Reading and writing two-digit numbers |
| Lesson 1.2: Number: Writing two-digit numbers and number names |
| Lesson 1.3: Number: Comparing and ordering two-digit numbers |
| Lesson 1.4: Number: Exploring the properties of odd and even numbers |
| Lesson 1.5: Number: Working with hundreds |
| Lesson 1.6: Number: Reading and writing three-digit numbers |
| Lesson 1.7: Number: Writing three-digit number names |
| Lesson 1.8: Number: Writing three-digit numbers |
| Lesson 1.9: Addition: Reviewing concepts |
| Lesson 1.10: Addition: Reviewing the count-on strategy |
| Lesson 1.11: Addition: Reinforcing the count-on strategy |
| Lesson 1.12: Addition: Using the commutative property (count-on facts) |
| Lesson 2.1: Number: Exploring position on a number track |
| Lesson 2.2: Number: Introducing number lines and representing numbers as lengths from zero |
| Lesson 2.3: Number: Exploring position on a number line |
| Lesson 2.4: Number: Identifying nearby multiples of ten on a number line |
| Lesson 2.5: Number: Comparing two-digit numbers on a number line |
| Lesson 2.6: Number: Introducing empty number lines |
| Lesson 2.7: Time: Reviewing on the hour |
| Lesson 2.8: Time: Reviewing half-past the hour |
| Lesson 2.9: Time: Reinforcing on the hour and half-past the hour |
| Lesson 2.10: Addition: Reviewing the doubles strategy |
| Lesson 2.11: Addition: Reinforcing the doubles strategy |
| Lesson 2.12: Addition: Reinforcing strategies (count-on and doubles) |
| Lesson 3.1: Number: Representing three-digit numbers (with zeros) |
| Lesson 3.2: Number: Representing three-digit numbers (with teens and zeros) |
| Lesson 3.3: Number: Writing three-digit numbers and number names |
| Lesson 3.4: Number: Writing three-digit numbers in expanded form |
| Lesson 3.5: Number: Identifying three-digit numbers on a number line |
| Lesson 3.6: Number: Comparing three-digit numbers |
| Lesson 3.7: Number: Comparing to order three-digit numbers |
| Lesson 3.8: Number: Solving puzzles (three-digit numbers) |
| Lesson 3.9: Addition Reviewing the make-ten strategy |
| Lesson 3.10: Addition: Reinforcing the make-ten strategy |
| Lesson 3.11: Addition: Working with all strategies |
| Lesson 3.12: Addition: Developing fact fluency |
| Lesson 4.1: Subtraction: Reviewing concepts |
| Lesson 4.2: Subtraction: Reviewing the count-back strategy |
| Lesson 4.3: Subtraction: Reviewing the think-addition strategy (count-on facts) |
| Lesson 4.4: Subtraction: Reinforcing the think-addition strategy (count-on facts) |
| Lesson 4.5: Subtraction: Writing fact families (count-on facts) |
| Lesson 4.6: Length: Measuring with uniform non-standard units |
| Lesson 4.7: Length: Introducing inches |
| Lesson 4.8: Length: Measuring in inches |
| Lesson 4.9: Length: Introducing feet |
| Lesson 4.10: Length: Working with feet and inches |
| Lesson 4.11: Length: Introducing yards |
| Lesson 4.12: Length: Working with customary units |
| Lesson 5.1: Addition: Two-digit numbers (hundred chart) |
| Lesson 5.2: Addition: Skip counting by five or ten (number line) |
| Lesson 5.3: Addition: Two-digit numbers (number line) |
| Lesson 5.4: Addition: Extending the make-ten strategy (number line) |
| Lesson 5.5: Addition: Two-digit numbers bridging tens (number line) |
| Lesson 5.6: Addition: Two-digit numbers bridging hundreds (number line) |
| Lesson 5.7: Addition: Two-digit numbers (empty number line) |
| Lesson 5.8: Subtraction: Reviewing the think-addition strategy (doubles facts) |
| Lesson 5.9: Subtraction: Reinforcing the think-addition strategy (doubles facts) |
| Lesson 5.10: Subtraction: Reviewing the think-addition strategy (make-ten facts) |
| Lesson 5.11: Subtraction: Reinforcing the think-addition strategy (make-ten facts) |
| Lesson 5.12: Subtraction: Writing fact families (doubles and make-ten) |
| Lesson 6.1: Addition: Two-digit numbers (base-10 blocks) |
| Lesson 6.2: Addition: Extending the doubles strategy |
| Lesson 6.3: Addition: Reviewing two-digit numbers (composing tens) |
| Lesson 6.4: Addition: Reinforcing two-digit numbers (composing tens) |
| Lesson 6.5: Addition: Estimating to solve problems |
| Lesson 6.6: Addition: Using the associative property |
| Lesson 6.7: Addition: Multiples of ten with two-digit numbers (composing hundreds) |
| Lesson 6.8: Addition: Two-digit numbers (composing hundreds) |
| Lesson 6.9: Addition: Two-digit numbers (composing tens and hundreds) |
| Lesson 6.10: Data: Introducing picture graphs |
| Lesson 6.11: Data: Introducing horizontal bar graphs |
| Lesson 6.12: Data: Introducing vertical bar graphs |
| Lesson 7.1: Subtraction: Reviewing two-digit numbers (hundred chart) |
| Lesson 7.2: Subtraction: Two-digit numbers (number line) |
| Lesson 7.3: Subtraction: One-digit numbers from two-digit numbers bridging tens (number line) |
| Lesson 7.4: Subtraction: Counting back to subtract two-digit numbers bridging tens (number line) |
| Lesson 7.5: Subtraction: Counting on to subtract two-digit numbers bridging tens (number line) |
| Lesson 7.6: Subtraction: Reinforcing the count-on strategy bridging tens |
| Lesson 7.7: Subtraction: Two-digit numbers from three-digit numbers (bridging 100) |
| Lesson 7.8: Subtraction: Solving word problems |
| Lesson 7.9: 2D shapes: Identifying polygons |
| Lesson 7.10: 2D shapes: Identifying quadrilaterals |
| Lesson 7.11: 2D shapes: Working with polygons |
| Lesson 7.12: 2D shapes: Drawing polygons |
| Lesson 8.1: Subtraction: Composing and decomposing two-digit numbers |
| Lesson 8.2: Subtraction: Two-digit numbers (base-10 blocks) |
| Lesson 8.3: Subtraction: Two-digit numbers (decomposing tens) |
| Lesson 8.4: Subtraction: Reinforcing two-digit numbers (decomposing tens) |
| Lesson 8.5: Subtraction: Estimating to solve problems |
| Lesson 8.6: Subtraction: Two-digit numbers from three-digit numbers (decomposing tens) |
| Lesson 8.7: Subtraction: Two-digit multiples of ten from three-digit numbers (decomposing hundreds) |
| Lesson 8.8: Subtraction: Two-digit numbers from three-digit numbers (decomposing hundreds) |
| Lesson 8.9: Time: Identifying five-minute intervals |
| Lesson 8.10: Time: Working with five-minute intervals |
| Lesson 8.11: Time: Introducing quarter-past the hour |
| Lesson 8.12: Time: Identifying and recording time using a.m. and p.m. |
| Lesson 9.1: Addition: Extending the count-on strategy to three-digit numbers |
| Lesson 9.2: Addition: Two- and three-digit numbers |
| Lesson 9.3: Addition: Three-digit numbers |
| Lesson 9.4: Addition: Composing three-digit numbers |
| Lesson 9.5: Addition: One- and three-digit numbers (composing tens) |
| Lesson 9.6: Addition: Two- and three-digit numbers (composing tens and hundreds) |
| Lesson 9.7: Addition: Three-digit numbers (composing tens and hundreds) |
| Lesson 9.8: Addition: Reinforcing three-digit numbers |
| Lesson 9.9: Length: Introducing centimeters |
| Lesson 9.10: Length: Working with centimeters |
| Lesson 9.11: Length: Introducing meters |
| Lesson 9.12: Length/data: Using line plots to record length |
| Lesson 10.1: Subtraction: Two-digit multiples of ten from three-digit numbers (number line) |
| Lesson 10.2: Subtraction: Two-digit numbers from three-digit numbers beyond 200 |
| Lesson 10.3: Subtraction: Three-digit numbers |
| Lesson 10.4: Subtraction: Reinforcing two- and three-digit numbers |
| Lesson 10.5: Subtraction: Counting on or back with three-digit numbers |
| Lesson 10.6: Subtraction: Decomposing three-digit numbers |
| Lesson 10.7: Subtraction: One-digit numbers from three-digit numbers (decomposing tens) |
| Lesson 10.8: Subtraction: Two-digit numbers from three-digit numbers (decomposing tens and hundreds) |
| Lesson 10.9: Subtraction: Reinforcing two-digit numbers from three-digit numbers (decomposing tens and hundreds) |
| Lesson 10.10: Subtraction: Three-digit numbers (decomposing tens and hundreds) |
| Lesson 10.11: Subtraction: Reinforcing three-digit numbers (decomposing tens and hundreds) |
| Lesson 10.12: Subtraction: Reinforcing two- and three-digit numbers (decomposing tens and hundreds) |
| Lesson 11.1: Multiplication: Adding jumps of two and five |
| Lesson 11.2: Multiplication: Describing equal groups |
| Lesson 11.3: Multiplication: Adding equal groups |
| Lesson 11.4: Multiplication: Describing arrays |
| Lesson 11.5: Multiplication: Adding equal rows |
| Lesson 11.6: 3D objects: Identifying polyhedrons |
| Lesson 11.7: 3D objects: Identifying pyramids |
| Lesson 11.8: 3D objects: Analyzing attributes |
| Lesson 11.9: 3D objects: Drawing prisms |
| Lesson 11.10: Money: Identifying amounts of money |
| Lesson 11.11: Money: Working with dollars and cents |
| Lesson 11.12: Money: Solving word problems |
| Lesson 12.1: Division: Developing language (sharing) |
| Lesson 12.2: Division: Developing language (grouping) |
| Lesson 12.3: Common fractions: Identifying one-half, one-fourth, and one-third |
| Lesson 12.4: Common fractions: Working with parts of a whole (equal size) |
| Lesson 12.5: Common fractions: Showing the same fraction with wholes of different size |
| Lesson 12.6: Common fractions: Representing the same fraction in different ways |
| Lesson 12.7: Area: Counting unit squares |
| Lesson 12.8: Area: Drawing unit squares to determine area |
| Lesson 12.9: Mass: Introducing pounds |
| Lesson 12.10: Mass: Introducing kilograms |
| Lesson 12.11: Capacity: Introducing cups, pints, and quarts |
| Lesson 12.12: Capacity: Introducing liters |