Grade 1 - Number
Standard 1.N.8 - Practice adding objects up to 20.
Included Skills: Addition
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 personal 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. • Achievement Indicators: - 1N8.1 Act out a given problem presented orally or through shared reading. - 1N8.2 Represent the numbers and actions presented in a given story problem by using manipulatives, and record them using sketches and/or number sentences. - 1N8.3 Create an addition problem based on personal experiences, and simulate the action with counters. - 1N8.4 Create a word problem for a given addition or subtraction number sentence (equation). - 1N8.5 Create a subtraction problem based on personal experiences, and simulate the action with counters. - 1N8.6 Write the related subtraction fact for a given addition fact. - 1N8.7 Write the related addition fact for a given subtraction fact. - 1N8.8 Indicate if the scenario in a given story problem represents additive or subtractive action. - 1N8.9 Represent a given story problem pictorially or symbolically to show the additive or subtractive action, and solve the problem.