Math Foundations · MF.SN.2

Add and subtract signed numbers and explain the meaning of the sign changes.

Add and subtract signed numbers and explain the meaning of the sign changes.

Concept Signed Numbers
Domain Operations
Problem Types

Problem Templates In This Objective

10 problem types are attached to this objective. The full web app handles practice, answers, hints, and walkthroughs.

Template 1

Add signed numbers

4 variants
Template 2

Subtract signed numbers

4 variants
Template 3

Rewrite subtraction as adding the opposite

4 variants
Template 4

Find a missing signed value in an equation

4 variants
Template 5

Model signed changes in context

4 variants
Template 6

Compare contextual signed-operation results

4 variants
Template 7

Translate number-line movement into signed operations

4 variants
Template 8

Translate signed context words into symbols

4 variants
Template 9

Recognize equivalent signed-operation forms

4 variants
Template 10

Choose a smart strategy for signed operations

4 variants