Multiplying Whole Numbers
312 x 18
5,616
102 x 0.483
48.3
Draw a model to multiply:
0.72 x 3
Write your answer next to your drawing.
2.16 (Ms. K will check work)
4.02 x 9
36.18
426 x 39
16,614
100 x 1.2
1.2
Draw a model to multiply:
7.6 x 2 =
Write your answer next to your work.
15.2 (Ms. K will check work)
1.4 x 32
44.8
7,219 x 56
404,264
92.3 x 104
923,000
Draw a model to multiply.
0.7 x 0.6
Write your answer next to your work.
0.42 (Ms. K will check work)
2.8 x 0.77
2.156
Ms. Lawson, the lunch lady, buys 192 boxes of pretzel sticks for school lunch. There are thirty-four pretzel sticks in each box. How many pretzel sticks does Ms. Lawson buy?
6,528 pretzel sticks
10__ x 12.35 = 12,350
What is the missing exponent?
3
Draw a model to multiply.
1.7 x 0.3
Write your answer next to your work.
0.51 (Ms. K will check work)
0.1 x 7.25
0.725
Ella is making friendship bracelets with her twelve friends for a Taylor Swift concert. She buys a container with 9,467 beads. Each girl uses six hundred eighty-seven beads to make their bracelets. How many beads are left in the container?
536 beads are left
Marco and Suzy each multiplied 0.721 x 102. Marco got 7.21 for his answer. Suzy got 72.1. Who multiplied correctly and how do you know? Write your answer in complete sentences.
Suzy is correct because 102 = 100. The decimal should move two places to the right, giving you 72.1. Marco only moved one place to the right.
Draw a model to multiply.
Marco hiked 0.8 miles in an hour. If he continued at the same speed, how far would he walk in 1.5 hours?
Write your answer next to your work.
1.2 miles (Ms. K will check work)
George buys 56.2 pounds of apples to bake pies for a bake sale. Each pound costs €7.90. How much does George spend on the apples?
€443.98