Area Model
Draw an area model to complete 25x40=
1,000
Use the partial products to solve 12x16=
192
Sally swam 15 laps 12 times in May. She swam 16 laps 17 times in June. How many laps did she swim in both months together?
452 laps
20x30=
600
Round-23x44=
800
Draw an area model to complete 12x47=
564
Use partial products to solve 12x27=
324
A bakery has 12 bins of rolls. Each bin is filled with 47 rolls. Multiply to find the total number of rolls. Use rounding to check if your answer is reasonable.
564 rolls
10x50=500 yes reasonable
50x____=2,000
40
Round-67x72=
4,200
Draw an area model to complete 15x85=
1,275
Use partial products to solve 34x25=
850
Mr. Mike's Lawn Service charges $75 to mow lawns. How much did he earn if he tended 16 lawns in June and 25 lawns in July?
$3,075
20x____=1,200
60
Round 32x55
1,800
Draw an area model to complete 16x30=
480
Use partial products to solve 41x67=
2,747
A bulletin board is 25 feet long and 13 feet wide. What is the area of the board?
325 square feet
70x70=
4,900
Round 19x39
800
Draw an area model to complete 13x17=
221
Use partial products to solve 98x85
8,330
A room is 18 feet wide and 10 feet long what is the area of the room?
180 square feet
40x___=3,200
80
Round 88x92
8,100