Vocabulary
The letter that is in a math problem
variable
Madge has 10 boxes of match box cars with 15 cars in each box. How many matchbox cars does she have in all?
150 matchbox cars
7 x 38
266
5 x 16
80
7 x 14
98
the math expression that has an equal sign
equation
Sally bought 14 cartons of eggs at the Piggly Wiggly. How many eggs does Sally have in all?
168 eggs
8 x 402
3,216
20 x 43
860
30 x 64
1,920
area model
Jimmy drives 23 miles to work and back each day. Susie drives 30 miles to work and back each day. Jimmy works 18 days a month and Susie works 11 days a month. Who drives the most miles to work?
Jimmy, 414 is greater than 330
32 x 17
544
96 x 25
2,400
25 x 99
2,475
a product obtained by breaking the number apart and multiplying place values together to get a product
partial product
My Aunt is making Christmas cookies to sell at the bake sale. She will need 136 tablespoons of butter. Each stick of butter has 8 tablespoons and she has 13 sticks. How many more sticks of butter will she have to buy?
4 more sticks of butter
22 x 61
1,342
75 x 18
In the product, what digit is in the hundreds place?
3
87 x 67
5,829
7x4 is an example of
expression
Carmen rides her bike 12 miles 4 days a week for a year. How many total miles does she ride her bike. There are 52 weeks in a year.
2,496 miles
456 x 34
15,504
243 x 17
4,131
456 x 76
34,656