Nina divided her toy car collection into 8 groups with 4 cars in each group, but there were 3 cars left over. Write an expression using the numbers 8, 4, and 3, the symbols × (or ·) and +, and parentheses, if needed, for the total number of toy cars in Nina’s collection. If you use parentheses, explain why you need them; if you do not use parentheses, explain why you do not need them.
Percentage
A percentage is a number indicated as a fraction of 100. It is a dimensionless number often expressed using the symbol %.
Algebraic Expressions
In mathematics, an algebraic expression consists of constant(s), variable(s), and mathematical operators. It is made up of terms.
Numbers
Numbers are some measures used for counting. They can be compared one with another to know its position in the number line and determine which one is greater or lesser than the other.
Subtraction
Before we begin to understand the subtraction of algebraic expressions, we need to list out a few things that form the basis of algebra.
Addition
Before we begin to understand the addition of algebraic expressions, we need to list out a few things that form the basis of algebra.
Nina divided her toy car collection into 8 groups with 4 cars in each group, but there were 3 cars left over.
Write an expression using the numbers 8, 4, and 3, the symbols × (or ·) and +, and parentheses, if needed, for the total number of toy cars in Nina’s collection.
If you use parentheses, explain why you need them; if you do not use parentheses, explain why you do not need them.
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