Estimate
Comparing Numbers
Story Problems
Large Numbers
Multiplication
100
Estimate the sum: 317 + 286 =
300 + 300 = 600
100
Write >, < or = 345,000 ____ 345,000
=
100
A ball is $6. The teddy bear is 3 times as much. How much is the teddy bear?
$18
100
Round the number to the nearest ten-thousand. 184,368
180,000
100
Solve the following problems: 8 X 3 8 X 30 8 X 300
24 240 2,400
200
Estimate the sum: 477 + 484 =
500 + 500 = 1,000
200
Write >, < or = 245,981 ___ 254,891
>
200
The bucket is $5. The drum is 5 times as much. How much is the drum?
$25
200
Round the number to the nearest hundred. 935,785
935,800
200
Solve the following problems: 6 X 5 60 X 50 6 X 50
30 3,000 300
300
Estimate the sum: 221 + 274=
200 + 300 = 500
300
Write >, < or = 222,222 ____ 99,999
>
300
The ball is $6 and that is twice as much as the rattle. How much is the rattle?
$12
300
Round to the nearest hundred-thousand. 5,126,579
5,100,000
300
Using Partial Products solve the following problem. 35 X 4
30 X 4 = 120 5 X 4 = 20 120 + 20= 140
400
Estimate the product: 5 X 112
5 X 100= 500
400
Write >, < or = 1,737,002 _____ 1,737,020
<
400
The truck is $36 and that is 4 times as much as the blocks. How much are the blocks?
$9
400
Round to the nearest million. 655,279
1,000,000
400
Using Partial Products solve the following problem. 652 X 9
600 X 9 = 5,400 50 X 9 = 450 2 X 9 = 18 5,400 + 450 + 18 = 5,868
500
Estimate the product: 6 X 42
6 X 40 = 240
500
Write >, < or = 250 hundreds ______ 2,500 tens * Show your thinking *
250 X 100 = 25,000 2,500 X 10 = 25,000 ANSWER: =
500
The ball is $6. The truck is $36. How many times as much is the truck than the ball?
6 Times
500
A band sold 4,502,103 songs. If they would like to sell 5,000,000 songs- ABOUT how many more songs do they need to sell?
5,000,000 - 4,500,000 = 500,000
500
Using Partial Products solve the following problem. 36 X 70
30 X 70 = 2,100 30 X 0 = 0 6 X 70 = 420 6 X 0 = 0 2,100 + 0 + 420 + 0 = 2,520
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