1st Grade Operations & Algebraic Thinking: 11 Math Games

These 11 games cover every CCSS-aligned first grade operations and algebraic thinking topic for only $1 each! The games reinforce the 1.OA.A.1, 1.OA.A.2, 1.OA.B.3, 1.OA.C.5, 1.OA.C.6, 1.OA.D.7, and 1.OA.D.8 standards, including skills such as:• Using addition and subtraction to solve word problems and equations within 20• Choosing the operation (deciding whether to add or subtract) in a word problem• Finding an unknown number (missing value) in an equation and in a word problem• Using a symbol to represent an unknown number in an equation• Adding three numbers• Adding and subtracting fluently within 20• Combinations of 10• Choosing addition and subtraction strategies (making ten, decomposing numbers, etc.)• Counting on and counting back, and relating these to addition and subtraction• Using a number line• Exploring the relationship between addition and subtraction• Recognizing part-part-whole relationships between three numbers• Explaining the meaning of an equal sign• Comparing values