Grade 1 Subtraction Apps : Subtraction Sentences
November 16, 2011 | Splash Math
Common Core Standards Alignment
- 1.OA.1 Use addition and subtraction within 20 to solve word problems involving situations of adding to, taking from, putting together, taking apart, and comparing, with unknowns in all positions, e.g., by using objects, drawings, and equations with a symbol for the unknown number to represent the problem.
Sample Question Statements
- 1. Identify the subtraction sentence.
- 2. Choose the subtraction sentence which represents the model.
- 3. Choose the correct subtraction sentence.
- 4. Make the subtraction sentence represented by the model.
Requires: Compatible with iPad.Requires iOS 4.2 or later.