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5th Grade Common Core - 5.NBT.5
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5.NBT.5 - Fluently multiply multi-digit whole numbers using the standard algorithm.
Terms in this set (14)
multiply
combine or increase by multiplication
multi-digit
Having more than one digit.
place value
The value of a digit based on its position within a number.
compose
to make by combining
decompose
break down
algorithm
a precise rule (or set of rules) specifying how to solve some problem
arrays
arrangement of objects, pictures, or numbers in columns and rows
equations
A mathmetical sentence with an equals sign
area models
diagrams to help visualize and calculate
partial products
Products found by breaking one of two factors into ones, tens, hundreds, and so on, and then multiplying each of these by the other factor.
product
a quantity obtained by multiplication
factor
A number that is multiplied by another number to get a product
multiples
the products of a number when multiplied
Ex: the multiples of 2 are 2,4,6,8 ...
digit
any one of the 10 symbols used to write numbers Ex: 0,1,2,3,4,5,6,7,8, or 9
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Verified questions
PRECALCULUS
Two buses leave Atlanta at the same time, one traveling west at an average of 52 miles per hour and the other traveling north at an average of 39 miles per hour. When will they be 390 miles apart?
ALGEBRA
At 8:00 A.M. the Smiths left a campground, driving at 48 mi/h. At 8:20 A.M. the Garcias left the same campground and followed the same route, driving at 60 mi/h. At what time did they overtake the Smiths?
ALGEBRA
You read the inequality symbols, <, <=, >, and >=, as "is less than,""is less than or equal to,""is greater than," and "is greater than or equal to." respectively. But you describe everyday situations with different expressions. Identify the variable in each statement, and write the inequality to describe each situation. a. I'll spend no more than $30 on CDs this month. b. You must be at least 48 inches tall to go on this ride. c. Three or more people make a carpool. d. No one under age 17 will be admitted without a parent or guardian.
ALGEBRA
Casey made 84 field goals during the basketball season for a total of 183 points. Each field goal was worth either 2 or 3 points. How many 2-point and 3-point field goals did Casey make during the season?