Estimating
3 Factor
4 Digit By 1 Digit
Word Problems
Rounding to the nearest 10
100
72 x 34 =
What is 2100?
100
6 x 2 x 4 =
What is 48
100
1234 x 9
What is 11,106?
100
Karen has 6 erasers. Mary has four times the amount than Karen has. How many erasers does Mary have?
What is 24?
100
24
What is 20
200
42 x 21 =
What is 800?
200
8 x 7 x 9 =
What is 504?
200
4694 x 1
What is 4694?
200
Jared has 4 toy dogs. Emily has 2 times the amount than Jared. How many toy dogs does Emily have?
What is 8?
200
63
What is 60
300
64 x 91 =
What is 5400?
300
9 x 5 x 3 =
What is 135?
300
8422 x 4 =
What is 33,688?
300
Layla has 10 DVDs. Nico has 3 times the amount than Layla. How many DVDs does Nico Have?
What is 30?
300
242
What is 240
400
86 x 46 =
What is 4500?
400
4 x 9 x 2 =
What is 72?
400
2000 x 4 =
What is 8000?
400
There were 10 girls at Alice's party. Cara had 2 times the amount than Alice. How many girls were at Cara's party?
What is 20?
400
468
What is 470
500
94 x 20 =
What is 1800?
500
6 x 4 x 6 =
What is 144?
500
9462 x 2 =
What is 18,924?
500
Cece was playing with 10 toys while Stella was playing with 3 times the amount How many toys was Stella playing with?
What is 30?
500
158,498
What is 158,500?
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