Vocabulary
The answer to an addition problem
Sum
6x7
42
45x31
1,395
123x123
15,129
Mrs.Thetford buys twelve packs of gum. If each pack has 46 strips of gum in it, how many total pieces of gum does she have?
552
The answer to a subtraction problem
Difference
86x4
344
89x47
4,183
456x456
207,936
Mr.Ummel gets 8 class sets of goggles donated to his classroom. If each class set has 280 pairs of goggles, how many goggles does he have all together?
2,240
The answer to a multiplication problem
Product
725x7
5,075
309x44
13,596
809x908
734,572
Mrs.Riedl has 56 dictionaries. Each dictionary has 218 pages. How many total pages does she have?
12,208
The two or more numbers that make up the product
Partial Product
6,084x8
48,672
1,785x39
69,615
754x301
226,954
Miss Tinsley receives 345 sets of dice. If each dice set contains 107 dice, how many dice does she have in all?
36,915
Why do we drop one or two zeroes?
Place holder/moving to the next place
Estimate the product:
46,951x387
20,000,000
Estimate the product:
789x32
24,000
Estimate the product:
955x670
700,000
Mr.Wood mows 230 lawns. He makes $192 from each lawn. About how much money did Mr.Wood make?
$40,000