15. Estimate $187 x 18
Round each number to the greatest place.
$187 x 18
16. Estimate $187 x 18
Round each number to the greatest place.
STEP ONE: Round $187
to the nearest hundred
$187 x 18
17. Estimate $187 x 18
Round each number to the greatest place.
STEP ONE: Round $187
to the nearest hundred
$187 x 18
18. Estimate $187 x 18
Round each number to the greatest place.
STEP ONE: Round $187
to the nearest hundred
$187 x 18
19. Estimate $187 x 18
Round each number to the greatest place.
STEP ONE: Round $187
to the nearest hundred
1
2
3
4 5
6
7
8
$187 x 18
0 9
20. Estimate $187 x 18
Round each number to the greatest place.
STEP ONE: Round $187
to the nearest hundred
1
2
3
4 5
6
7
8
$187 x 18
0 9
21. Estimate $187 x 18
Round each number to the greatest place.
STEP ONE: Round $187
to the nearest hundred
1
2
3
4 5
6
7
8
$187 x 18
0 9
$200
22. Estimate $187 x 18
Round each number to the greatest place.
STEP ONE: Round $187 STEP TWO: Round 18 to
to the nearest hundred the nearest ten
1
2
3
4 5
6
7
8
$187 x 18
0 9
$200
23. Estimate $187 x 18
Round each number to the greatest place.
STEP ONE: Round $187 STEP TWO: Round 18 to
to the nearest hundred the nearest ten
1
2
3
4 5
6
7
8
$187 x 18
0 9
$200
24. Estimate $187 x 18
Round each number to the greatest place.
STEP ONE: Round $187 STEP TWO: Round 18 to
to the nearest hundred the nearest ten
1
2
3
4 5
6
7
8
$187 x 18
0 9
$200
25. Estimate $187 x 18
Round each number to the greatest place.
STEP ONE: Round $187 STEP TWO: Round 18 to
to the nearest hundred the nearest ten
1
2
3
4 5
6
7
8
$187 x 18 1
0
2
3
4 5
6
7
8
0 9
9
$200
26. Estimate $187 x 18
Round each number to the greatest place.
STEP ONE: Round $187 STEP TWO: Round 18 to
to the nearest hundred the nearest ten
1
2
3
4 5
6
7
8
$187 x 18 1
0
2
3
4 5
6
7
8
0 9
9
$200
27. Estimate $187 x 18
Round each number to the greatest place.
STEP ONE: Round $187 STEP TWO: Round 18 to
to the nearest hundred the nearest ten
1
2
3
4 5
6
7
8
$187 x 18 1
0
2
3
4 5
6
7
8
0 9
9
$200 20
28. Estimate $187 x 18
Round each number to the greatest place.
STEP ONE: Round $187 STEP TWO: Round 18 to
to the nearest hundred the nearest ten
1
2
3
4 5
6
7
8
$187 x 18 1
0
2
3
4 5
6
7
8
0 9
9
$200 x 20
STEP THREE: Multiply using mental math
29. Estimate $187 x 18
Round each number to the greatest place.
STEP ONE: Round $187 STEP TWO: Round 18 to
to the nearest hundred the nearest ten
1
2
3
4 5
6
7
8
$187 x 18 1
0
2
3
4 5
6
7
8
0 9
9
$200 x 20 =$4000
STEP THREE: Multiply using mental math
32. Estimate 147 x 353
Round each number to the greatest place.
147 x 353
33. Estimate 147 x 353
Round each number to the greatest place.
STEP ONE: Round 147 to
the nearest hundred
147 x 353
34. Estimate 147 x 353
Round each number to the greatest place.
STEP ONE: Round 147 to
the nearest hundred
147 x 353
35. Estimate 147 x 353
Round each number to the greatest place.
STEP ONE: Round 147 to
the nearest hundred
147 x 353
36. Estimate 147 x 353
Round each number to the greatest place.
STEP ONE: Round 147 to
the nearest hundred
1
2
3
4 5
6
7
8
147 x 353
0 9
37. Estimate 147 x 353
Round each number to the greatest place.
STEP ONE: Round 147 to
the nearest hundred
1
2
3
4 5
6
7
8
147 x 353
0 9
38. Estimate 147 x 353
Round each number to the greatest place.
STEP ONE: Round 147 to
the nearest hundred
1
2
3
4 5
6
7
8
147 x 353
0 9
100
39. Estimate 147 x 353
Round each number to the greatest place.
STEP ONE: Round 147 to STEP TWO: Round 353 to
the nearest hundred the nearest hundred
1
2
3
4 5
6
7
8
147 x 353
0 9
100
40. Estimate 147 x 353
Round each number to the greatest place.
STEP ONE: Round 147 to STEP TWO: Round 353 to
the nearest hundred the nearest hundred
1
2
3
4 5
6
7
8
147 x 353
0 9
100
41. Estimate 147 x 353
Round each number to the greatest place.
STEP ONE: Round 147 to STEP TWO: Round 353 to
the nearest hundred the nearest hundred
1
2
3
4 5
6
7
8
147 x 353
0 9
100
42. Estimate 147 x 353
Round each number to the greatest place.
STEP ONE: Round 147 to STEP TWO: Round 353 to
the nearest hundred the nearest hundred
1
2
3
4 5
6
7
8
147 x 353 1
0
2
3
4 5
6
7
8
0 9
9
100
43. Estimate 147 x 353
Round each number to the greatest place.
STEP ONE: Round 147 to STEP TWO: Round 353 to
the nearest hundred the nearest hundred
1
2
3
4 5
6
7
8
147 x 353 1
0
2
3
4 5
6
7
8
0 9
9
100
44. Estimate 147 x 353
Round each number to the greatest place.
STEP ONE: Round 147 to STEP TWO: Round 353 to
the nearest hundred the nearest hundred
1
2
3
4 5
6
7
8
147 x 353 1
0
2
3
4 5
6
7
8
0 9
9
100 400
45. Estimate 147 x 353
Round each number to the greatest place.
STEP ONE: Round 147 to STEP TWO: Round 353 to
the nearest hundred the nearest hundred
1
2
3
4 5
6
7
8
147 x 353 1
0
2
3
4 5
6
7
8
0 9
9
100 x 400
STEP THREE: Multiply using mental math
46. Estimate 147 x 353
Round each number to the greatest place.
STEP ONE: Round 147 to STEP TWO: Round 353 to
the nearest hundred the nearest hundred
1
2
3
4 5
6
7
8
147 x 353 1
0
2
3
4 5
6
7
8
0 9
9
100 x 400 = 40000
STEP THREE: Multiply using mental math
49. Estimate $27.54 x 47
Round each number to the greatest place.
$27.54 x 47
50. Estimate $27.54 x 47
Round each number to the greatest place.
STEP ONE: Round $27.54
to the nearest tens.
$27.54 x 47
51. Estimate $27.54 x 47
Round each number to the greatest place.
STEP ONE: Round $27.54
to the nearest tens.
$27.54 x 47
52. Estimate $27.54 x 47
Round each number to the greatest place.
STEP ONE: Round $27.54
to the nearest tens.
$27.54 x 47
53. Estimate $27.54 x 47
Round each number to the greatest place.
STEP ONE: Round $27.54
to the nearest tens.
1
2
3
4 5
6
7
$27.54 x 47
8
0 9
54. Estimate $27.54 x 47
Round each number to the greatest place.
STEP ONE: Round $27.54
to the nearest tens.
1
2
3
4 5
6
7
$27.54 x 47
8
0 9
55. Estimate $27.54 x 47
Round each number to the greatest place.
STEP ONE: Round $27.54
to the nearest tens.
1
2
3
4 5
6
7
$27.54 x 47
8
0 9
$30
56. Estimate $27.54 x 47
Round each number to the greatest place.
STEP ONE: Round $27.54 STEP TWO: Round 47 to
to the nearest tens. the nearest ten
1
2
3
4 5
6
7
$27.54 x 47
8
0 9
$30
57. Estimate $27.54 x 47
Round each number to the greatest place.
STEP ONE: Round $27.54 STEP TWO: Round 47 to
to the nearest tens. the nearest ten
1
2
3
4 5
6
7
$27.54 x 47
8
0 9
$30
58. Estimate $27.54 x 47
Round each number to the greatest place.
STEP ONE: Round $27.54 STEP TWO: Round 47 to
to the nearest tens. the nearest ten
1
2
3
4 5
6
7
$27.54 x 47
8
0 9
$30
59. Estimate $27.54 x 47
Round each number to the greatest place.
STEP ONE: Round $27.54 STEP TWO: Round 47 to
to the nearest tens. the nearest ten
1
2
3
4 5
6
7
$27.54 x 47 1
0
2
3
4 5
6
7
8
8 9
0 9
$30
60. Estimate $27.54 x 47
Round each number to the greatest place.
STEP ONE: Round $27.54 STEP TWO: Round 47 to
to the nearest tens. the nearest ten
1
2
3
4 5
6
7
$27.54 x 47 1
0
2
3
4 5
6
7
8
8 9
0 9
$30
61. Estimate $27.54 x 47
Round each number to the greatest place.
STEP ONE: Round $27.54 STEP TWO: Round 47 to
to the nearest tens. the nearest ten
1
2
3
4 5
6
7
$27.54 x 47 1
0
2
3
4 5
6
7
8
8 9
0 9
$30 50
62. Estimate $27.54 x 47
Round each number to the greatest place.
STEP ONE: Round $27.54 STEP TWO: Round 47 to
to the nearest tens. the nearest ten
1
2
3
4 5
6
7
$27.54 x 47 1
0
2
3
4 5
6
7
8
8 9
0 9
$30 x 50
STEP THREE: Multiply using mental math
63. Estimate $27.54 x 47
Round each number to the greatest place.
STEP ONE: Round $27.54 STEP TWO: Round 47 to
to the nearest tens. the nearest ten
1
2
3
4 5
6
7
$27.54 x 47 1
0
2
3
4 5
6
7
8
8 9
0 9
$30 x 50 =$1500
STEP THREE: Multiply using mental math