Math Games

Grade 1 - Number

Standard 1.N.9 - Write an addition sentence to represent the word problem with numbers up to 20.

Included Skills:

Demonstrate an understanding of addition of numbers with answers to 20 and their corresponding subtraction facts, concretely, pictorially, and symbolically, by
• using familiar and mathematical language to describe additive and subtractive actions from their experience
• creating and solving problems in context that involve addition and subtraction
• modelling addition and subtraction using a variety of concrete and visual representations, and recording the process symbolically

• Act out a story problem presented orally or through shared reading.
• Indicate if the scenario in a story problem represents additive or subtractive action.
• Represent the numbers and actions presented in a story problem by using manipulatives, and record them using sketches and/or number sentences.
• Create a story problem for addition that connects to student experience, and simulate the action with counters.
• Create a story problem for subtraction that connects to student experience, and simulate the action with counters.
• Create a story problem for a number sentence.
• Represent a story problem pictorially or symbolically to show the additive or subtractive action, and solve the problem.