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What does it mean?
Multiplication
Division
Prime Numbers
Misc.
100
What is the word for the answer to a multiplication problem?
product
100
What is 9x7?
63!
100
Name all three parts of a division problem.
Divisor, dividend and quotient
100
What is a prime number?
A number who's factors are only 1 and itself.
100
When doing multiplication and breaking it down into chunks, Erica ALWAYS starts with... something x _____
10!
200
What is the name of a number that only has factors of 1 and itself?
Prime Number
200
What are the next 5 multiples of 12 after 24?
36, 48, 60, 72, 84
200
Name 2 ways that you can show work for solving a division problem.
Multiple's tower, using multiplication equations that add up to your dividend and counting your multiplication groups, and grouping using pictures.
200
Name at least 3 prime numbers.
Answers could be 1, 2, 3, 5, 7, 11, 13, 17, 19, 23, 29, etc.
200
Dion is one of 18 coaches. His team and the other teams all have 23 players on them each. How many players are there all together on all of the teams?
18 x 23 = 414 players
300
What is the name for the total amount that will be broken into smaller parts in a division problem?
Dividend
300
List 5 sets of 2 factors whose product is 150.
1x150, 2x75, 3x50, 5x30, 6x25, 10x15
300
Write a story problem for 379 divided by 19.
Must have the dividend being divided by the divisor and the word EQUALLY!
300
What is the prime factorization for 1 x 100?
1 x 2 x 2 x 5 x 5
300
Name 6 math vocabulary words that you learned in this unit.
Array, factor, product, prime, prime factorization, quotient, divisor, dividend, multiple, multiplication, division...
400
What is a multiple?
A amount that is greater than the previous amount and less than the following amount by the same number. Ex. 7, 14, 21, 28, 35 (SKIP COUNTING!)
400
List 2 different ways to start solving the problem 25 x 87.
Some answers: 25x5 25x10 25x20 25x40 87x10 87x20 87x5
400
Solve 14 x ___ = 297
21 R 3
400
What is the prime factorization for 1 x 300?
1 x 2 x 2 x 3 x 5 x 5
400
Explain how a "cluster" can help you solve both multiplication and division problems.
They provide clues or starting points for solving the problem!
500
What is an array? Can you draw one?
A way of showing a multiplication problem by drawing a "box" that can be broken up into smaller sections and then added together.
500
What is 42 x 87?
3654
500
Solve 67 x 27 two different ways (NOT LONG DIVISION) and show your work.
Answer: 1809
500
Name 10 prime numbers that are larger than 31
33, 37, 39, 41, 43, 47, 51, 53, 57, 59
500
What may you NOT use as your "work" when the directions say to "show your work" in division and multiplication problems?
Long division and "long" multiplication 18 x 23 ------ 54 360 ------- 414