Common Core
2.OA.A.1
12 lessons teach this standard. Every lesson is interactive, and every one prints as a worksheet with a separate answer key.
Grade 2 Math · Chapter 1 · Lesson 5
Addition and Subtraction Together
One fact family, four number sentences.
Grade 2 Math · Chapter 1 · Lesson 6
The unknown can sit anywhere in the sentence.
Grade 2 Math · Chapter 1 · Lesson 8
Some problems need two answers before the real one.
Grade 2 Math · Chapter 2 · Lesson 7
Stories about how long things are.
Grade 2 Math · Chapter 2 · Lesson 9
Adding and Subtracting on a Number Line
A jump forward adds. A jump back takes away.
Grade 2 Math · Chapter 4 · Lesson 8
Add your answer back and see if you return.
Grade 2 Math · Chapter 4 · Lesson 9
Draw the bars, then choose what to do.
Grade 2 Math · Chapter 4 · Lesson 10
Two-Step Word Problems Within 100
Find the hidden question first.
Grade 2 Math · Chapter 5 · Lesson 8
Bigger numbers, same thinking.
Grade 2 Math · Chapter 6 · Lesson 7
Spot the equal groups hiding in a word problem.
Grade 2 Math · Chapter 7 · Lesson 5
Buying, paying, and working out the change.
Money Around the World · Chapter 1 · Lesson 4
Pay 70p with two coins, or with seven.