Across
- 1. Positive numbers, negative numbers, and zero are integers. Fractions and decimals are NOT integers.
- 4. Any letter that takes the place of a number when we don’t know what that number is.
- 5. A number sentence that shows two quantities that equal each other. Equations MUST include an equals sign "=". There must be numbers or variables on each side of the equal sign. Operations (+, -, x, /) are presented in equations.
Down
- 2. Numbers, symbols, and operations (+, -, x, /) grouped together that show the value of something. An expression DOES NOT include any of these signs: = ≠ < > ≤ ≥. Examples of expressions: 2 + 3 or 5k − 17.
- 3. The type of number we use most often. Positive, negative, and whole numbers. Fractions and decimals.