Across
- 5. The number 0 is called the _______ Identity because adding 0 to any number does not change the number. Ex. 67+0=67
- 8. To find the numerical value of.
- 10. The ________ Property states that if a sum contains terms that are grouped, then the sum may be grouped differently with no effect on the total. 21+34+12=67 so 12+21+34=67
Down
- 1. The number 1 is called the _______ Identity because multiplying any number by 1 does not change the number. Ex. 67 * 1 = 67
- 2. A letter or symbol used to represent an unknown number.
- 3. ______ of Operations is the specific order in which certain operations are to be carried out to evaluate or simplify expressions: parentheses (or other grouping symbols), exponents (powers or roots), multiplication and division (from left to right), and addition and subtraction (from left to right).
- 4. a single number, variable, or the product of numbers and variables. In an expression, terms are separated by addition or subtraction signs.
- 6. The Additive ________ is the number you need to add to a given number to get a sum of 0. 67+(-67)=0
- 7. Combining two or more ______ Terms simplifies an expression by summing constants and summing those variable terms in which the same variables are raised to the same power.
- 9. This property states that if two terms are added, then the order may be reversed with no effect on the total. 67+0=0+67