# Determining Reasonable Answer Worksheet With Answer Key Page 13

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.
no
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) 819 × 5 = 4,095
2) 10 × 818 = 8,188
no
5.
yes
6.
3) 10 × 899 = 8,994
4) 615 × 10 = 6,150
no
7.
5) 5 × 422 = 2,111
6) 597 × 2 = 1,194
yes
8.
yes
7) 2 × 877 = 1,755
8) 2 × 152 = 304
9.
no
10.
9) 5 × 866 = 4,330
10) 373 × 5 = 1,869
yes
11.
11) 354 × 2 = 708
12) 735 × 5 = 3,676
no
12.
yes
13.
13) 901 × 10 = 9,010
14) 10 × 136 = 1,367
no
14.
15) 5 × 993 = 4,967
16) 10 × 156 = 1,569
no
15.
no
16.
17) 5 × 291 = 1,455
18) 119 × 10 = 1,190
yes
17.
19) 516 × 2 = 1,032
20) 2 × 143 = 287
yes
18.
yes
19.
no
20.
1-10 95 90 85 80 75 70 65 60 55 50
7
Math
11-20 45 40 35 30 25 20 15 10 5
0

ADVERTISEMENT

0 votes

### Related Categories

Parent category: Education
Page of 20