Determining Reasonable Answer Worksheet With Answer Key Page 17

ADVERTISEMENT

Name:
Determining Reasonable Answer
Determine if the answer shown is reasonable (yes) or not (no).
A n s w e r s
yes
Anything times 2 HAS to end in an even number (2,4,6,8,0).
Ex. 2 × 6 = 12
2 × 13 = 26
1.
yes
Anything times 5 HAS to end in an either a 5 or a 0.
Ex. 5 × 4 = 20
5 × 15 = 75
2.
no
3.
Anything times 10 HAS to end in a 0.
Ex. 10 × 7 = 70
10 × 16 = 160
yes
4.
1) 883 × 5 = 4,415
2) 191 × 5 = 955
yes
5.
yes
6.
3) 5 × 270 = 1,354
4) 10 × 873 = 8,730
yes
7.
5) 10 × 183 = 1,830
6) 761 × 2 = 1,522
no
8.
no
7) 227 × 2 = 454
8) 10 × 674 = 6,741
9.
yes
10.
9) 354 × 2 = 709
10) 5 × 964 = 4,820
no
11.
11) 738 × 5 = 3,694
12) 210 × 2 = 420
yes
12.
yes
13.
13) 2 × 743 = 1,486
14) 5 × 811 = 4,057
no
14.
15) 5 × 850 = 4,250
16) 826 × 10 = 8,261
yes
15.
no
16.
17) 726 × 10 = 7,263
18) 164 × 10 = 1,648
no
17.
19) 10 × 247 = 2,470
20) 2 × 691 = 1,383
no
18.
yes
19.
no
20.
1-10 95 90 85 80 75 70 65 60 55 50
9
Math
11-20 45 40 35 30 25 20 15 10 5
0

ADVERTISEMENT

00 votes

Related Articles

Related forms

Related Categories

Parent category: Education