1. Math Journal Notes
Unit 1 Part 2

2. (such as 8 + 3) (the problem part only)
Date __________________10/3/16________________
Vocabulary to Know
Open Array: a group arranged in rows and columns but without dividing lines shown
Expression: a combination of symbols and signs representing a quantity or operation
(such as 8 + 3) (the problem part only)
Equation:  a statement that two expressions are equal (such as = 11)
(the problem part AND the answer)
Efficient: producing desired results without wasting materials, time, or energy

3. Array Samples

4. (3 + 3 + 3 = 3 x 3= Three groups of three)
Date __________________________________________
Vocabulary to Know
Multiply: a fast way of adding a number to itself a certain number of times
( = 3 x 3= Three groups of three)
Ratio Table: A table shows a comparison of two or more quantities.
Strategy: a careful plan or method for achieving a particular goal

5. Date __________________________________________

6. Date __________________________________________

7. Date __________________________________________

8. Date __________________________________________

9. Remainder: a part, number, or quantity that is left over. (10/3= 3 R1)
Date __________________________________________
Vocabulary to Know
Divide: to split into equal parts or groups. It is "fair sharing“. Repeated subtraction.
(9/3 = (9-3) – 3 )
Remainder: a part, number, or quantity that is left over. (10/3= 3 R1)
Dividend:  the number divided by another number (10/3= 3 R1)
Divisor: the number you divide by (10/3= 3 R1)
Quotient:  the result of division; the number of times one quantity is contained in
another (10/3= 3 R1)

11. 10/7/16

12. 9

13. 9 2 18

15. = 12

16. Date __________________________________________

17. Date __________________________________________

18. Date __________________________________________

19. Date __________________________________________