Multiples of 10, 100, and 1,000
2 x 70 =
140
143 x 2 =
200
See drawing.
86
2 x 41 =
See model.
82
Mental Math.
Joe bought a house. His payments are $800 per month. How much will he pay in five months?
$4,000
9 x 500 =
4,500
756 x 4 =
3,200
3 x 21 =
See drawing.
63
3 x 22 =
See model.
66
Dra a model.
There are three shelves. Each shelf has 21 books. How many books are there in all?
See model.
63 books
7 x 4,000 =
28,000
2,721 x 4 =
12,000
3 x 32 =
See drawing.
96
6 x 43 =
See model.
258
Draw a model.
Cory’s puppy eats three meals a day. How many meals does the puppy eat in 32 days?
See model.
96 meals
____ x 600 = 7,200
12
6 x 8,825 =
54,000
4 x 12 =
See drawing.
48
7 x 36 =
See model.
252
Write an equation. Draw a model and Solve.
Lance took 34 photos each day of his vacation. He was on vacation for two days. Right an equation that describes how many photos he took in all. Solve
34 x 2 =
See model.
68 photos
6 x ____ =3,600
600
7 x 9,499 =
63,000
256 x 2 =
See drawing.
512
See model.
522
There are 325 rows of nine chairs in the theater. There are 102 chairs in the balcony. About how many chairs are there?
About 2,800 chairs