20 x 40
800
28 x 31 x 3
about 2,700
b = 5
16 + b
21
INPUT OUTPUT
1 6
2 7
3 8
4 9
Find the rule.
n + 5
Pencils come 20 to a package, 48 packages to a carton, and 12 cartons to a case. About how many pencils are in a case?
about 10,000
5 x 66
330
6 x 21 x 19
about 2,400
b = 5
20b
100
INPUT OUTPUT
1 3
2 6
3 9
4 12
Find the rule.
n x 3
Simon used 28 nails to make each bird house. How many nails did he use to make 12 bird houses?
336 nails
10 x 3.2
32
19 x 5.8
about 120
16 + p = 21
p = 5
INPUT OUTPUT
1 10
2 20
3 30
4 40
Find the rule.
n x 10
Lena bought 5 shirts at $17 each, 2 pairs of jeans for $28 each, and a pair of sandals for $19. How much did she spend in all?
$160 dollars
3.6 x 0.5
1.8
100 x 82.35
about 8,200
5 x e = 110
e = 22
INPUT OUTPUT
16 8
24 16
28 20
60 52
Find the rule
n - 8
Braxton bought 2.06 pounds of granola. The cost of granola is $3.99 per pound. About how much did Braxton spend?
About $8.00
7.8 x 0.003
0.0234
4.8 x 63.3
about 300
64 / k = 8
k = 8
INPUT OUTPUT
5 500
8 800
20 2,000
100 10,000
Find the rule.
n x 100
Ellie is 4 years older than Ms. Wilson's dog. Use "z" for Ms. Wilson's dog's age and write an expression to give Ellie's age.
z + 4