Vocabulary
What are synonyms for the word 'multiplication'?
*repeated addition * multiply * groups of * times * multiplied by * product * array
Grid Method / Area Model
?=7X6
42
Lattice Method
5X7=?
35
Partial Products
5X6=?
30
Dan, Fred, and Sara each have 9 pencils. How many pencils do they have in all?
3X9=?
?=27
They have 27 Pencils in all.
What are the numbers you multiply together called?
Factors
Grid Method / Area Model
8X4=?
Lattice Method
?=3X8
24
Partial Products
?=2X9
18
Nancy worked 3 hours for 7 days. She went to the mall on 4 of the days. How many hours did she work in total?
*unnecessary info = She went to the mall on 4 of the days.
3X7=?
?=21
Nancy worked for 21 hours.
What is the answer called in a multiplication problem?
Product
Grid Method / Area Model
?=32X9
288
Lattice Method
64X8=?
512
Partial Products
26X7=?
182
Tom, Keith, Lisa, and Ella each have four dozen Pokemon cards. How many Pokemon cards do they have in all?
1 dozen = 12
4X12 = 48 = 4 dozen
4X48= 192
They have 192 Pokeman cards in all.
What do you call any of these?
2+3=5, 7=8-1, 9X9=81, 56=8X7
Number Sentence or Equation, but "equation" can not be used if there is no = like in 8>5
Grid Model / Area Method
58X97=?
5,626
Lattice Method
?=42X12
504
Partial Products
?=36X25
900
Sally has sixteen dozen golf balls and seventeen are used. How many golf balls does she have?
**extra information = seventeen are used
1dozen = 12
16X12=192=16 dozen
Sally has 196 golf balls.
The simple multiplication problems you need to know 'by heart' are called what?
Facts
?=129X378
48,762
Lattice Method
123X456=?
56,088
Partial Products
246X135=?
33,210
Eric has forty books and he has read eight of them. Melanie has nine times more books than Eric. How many books does Melanie have?
*extra information= he has read eight of them
40X9=360
Melanie has 360 books.