Word Problems
There are 12 eggs in a carton. If there are 60 cartons how many total eggs are there?
12 x 60 = 720 eggs
True/False:
7 x 80 = 5,600
false; 560
What would an estimate be for 2 x 37?
2 x 40 = 80
Solve 3 x 54
162
A concert cost $174 per person. A group of 7 people go to the concert. What is the total cost for the group?
$174 x 7 = $1,218
True/False:
70 x 80 = 5,600
true
Estimate 18 x 53 by rounding each number to the nearest ten
20 x 50 = 1,000
Use an area model to solve 83 x 46
80 x 40 = 3,200
80 x 6 = 480
3 x 40 = 120
3 x 6 = 18
Total: 3,818
Miguel is making keychains with different sized beads. He bought 14 bags of large beads with 11 beads in each bag. He also purchased 13 bags of small beads with 60 beads in each bag. How many more small beads are there than large beads?
small beads: 60 x 13 = 780
large beads: 14 x 11 = 154
solution 780 - 154 = 626 more beads
True/False:
700 x 80 = 5,600
false
700 x 80 = 56,000
What would be an estimate for:
7 x 6,982
7 x 7,000 = 49,000
4 x 367
4 x 300 = 1,200
4 x 60 = 240
4 x 7 = 28
Isabella is making holiday cards. She buys 40 blank cards. She uses 8 snowmen stickers on each of 14 cards. She uses 6 snowflakes stickers on each of 20 cards. She has 22 stickers left over. How many stickers are on the cards?
a.) Identify all extra information given in the problem
b.) Solve the problem
a.) She buys 40 blank cards; She has 22 stickers left over.
b.) 8 x 14 = 112
6 x 20 = 120
112 + 120 = 232 stickers
True/False:
7 x 8,000 = 56,000
true
What would an estimate be for:
35 x 71
40 x 70 = 2,800
Select the THREE expressions that are equivalent to 53 x 69:
a.) 50 x (60 + 9) + 3 x (60 + 9)
b.) 50 x 3 + 60 x 9
c.) 300 + 27
d.) (50 x 60) + (50 x 9) + (3 x 60) + (3 x 9)
e.) (3 x 9) + (3 x 6 tens) + (5 tens x 9) + (5 tens x 6 tens)
a, d, e