Algebraic Thinking
2.A.9
2nd Grade · Tennessee (TN)
Standard
Explain why addition and subtraction strategies work, using place value and the properties of operations.
Study materials
Parent guide, study guide, practice problems, review, and practice test for this standard.
- Parent GuideComing soon
- Exam StrategyComing soon
- Common MistakesComing soon
- Study GuideComing soon
- Practice ProblemsComing soon
- Word ProblemsComing soon
- Mixed PracticeComing soon
- Multi-Step ProblemsComing soon
- Multi-Standard ProblemsComing soon
- Multi-Step Multi-StandardComing soon
- ReviewComing soon
- Practice TestComing soon
- Answer keyComing soon
Interactive practice
Quizzes, typed answers, and flashcards for this standard — coming soon.
- Coming soon
Quiz
Multiple-choice questions with instant feedback
- Coming soon
Typed practice
Type answers and check them
- Coming soon
Flashcards
Vocabulary and key facts
- Coming soon
Mixed quiz
Harder mixed review for this standard