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7th Grade Math
5. MA.7.NSO.2.3
5.3 Applications of integer operations
Applying Integer Operations
Translate a word problem into a sequence of signed-number steps, using words like drops and rises to signal subtraction and addition.
What You'll Learn
Word problems often combine several integer operations in one situation.
Words like 'drops' or 'loses' signal subtraction; 'rises' or 'gains' signal addition.
Work through the operations in the order the situation happens.
Starting at negative 4 degrees, a drop of 6 then a rise of 9 ends at negative 1 degree.
Check that the final sign makes sense for the real situation.
What You'll Practice
1
Evaluating complex expressions with division, multiplication, and subtraction
2
Solving word problems involving credit card balances and debt
3
Converting currency units and performing multi-step calculations
4
Applying order of operations to expressions with brackets and multiple terms
5
Setting up and solving equations from real-world scenarios
Why This Matters
Mastering integer operations prepares you for real-life situations like managing money, calculating debts and payments, and solving multi-step problems. These skills are essential for algebra, budgeting, financial literacy, and any career involving numbers and problem-solving.
Before You Start — Make Sure You Can:
This Unit Includes
11 Video lessons
Practice exercises
Learning resources
Skills
Order of Operations
Integer Operations
Word Problems
BEDMAS/PEMDAS
Multi-step Equations
Money Calculations
Problem Solving
FL Curriculum Aligned