Vocabulary
Variable
A letter that represents a missing number in a math equation.
12 x 30
360
23 x 12
276
Create and equation (w/ answer and label) for this word problem:
There are 20 boxes of dolls and 13 dolls in each box. How many dolls are in all the boxes?
20 x 13 = 260 dolls
Estimate and answer your estimation.
23 x 12
20 x 10 = 100
Product
The answer to a multiplication problem.
33 x 20
660
77 x 11
847
Create and equation (w/ answer and label) for this word problem:
There are 30 pickles in a jar and 15 jars on the shelf. How many pickles are on the shelf?
30 x 15 = 450 pickles
Estimate and answer your estimation.
43 x 94
40 x 90 = 3,600
Array
Shows the number of objects in rows and columns.
32 x 30
960
19 x 25
475
Create and equation (w/ answer and label) for this word problem:
There are 25 skittles in a bag and 21 bags on the shelf. How many skittles are on the shelf?
25 x 21 = 525 skittles
Estimate and answer your estimation.
91 x 56
90 x 60 = 5,400
Rounding
A process which determine which multiple of 10, 100, 1,000 and so on, a number is closest to.
24 x 50
1,200
26 x 28
728
Create and equation (w/ answer and label) for this word problem:
There are 52 cards in a deck and the store has 11 decks on the shelf. How many cards are on the shelf?
52 x 11 = 572 cards
Estimate and answer your estimation.
139 x 33
140 x 30 = 4,200
Algorithm
A set of steps used to solve a math problem.
71 x 30
2,130
57 x 91
5,187
Create and equation (w/ answer and label) for this word problem:
There are 41 HAWK tickets in our classroom jar each week. If there are 34 weeks in a school year, then how many tickets will we add to the whole school jar in a year?
41 x 34 = 1,394 HAWK tickets
Estimate and answer your estimation.
89 x 171
90 x 170 =15,300