Math Journal Notes Unit 1 Part 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 8 + 3 = 11) (the problem part AND the answer) Efficient: producing desired results without wasting materials, time, or energy
Array Samples
(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 + 3 + 3 = 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
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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)
10/7/16
9
9 2 18
312 26 = 12
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