- 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.
[C, CN, ME, PS, R, V]
(a) |
Act out a story problem presented orally or through shared reading. |
(b) |
Indicate if the scenario in a story problem represents additive or subtractive action. |
(c) |
Represent the numbers and actions presented in a story problem by using manipulatives, and record them using sketches and/or number sentences. |
(d) |
Create a story problem involving addition that connects to personal experience and simulate the action with counters. |
(e) |
Create a story problem involving subtraction that connects to personal experience and simulate the action with counters. |
(f) |
Create a word problem for a whole number addition or subtraction sentence. |
(g) |
Represent a story problem pictorially or symbolically to show the additive or subtractive action and solve the problem. |