What is the best estimate of 7 x 23 by using rounding or compatible numbers?
140
100
9 x 7
63
100
45
x 4
--------
180
100
432 ÷ 2
216
100
Leo made 78 pieces of peanut brittle to share with his friends. He put 8 pieces of peanut brittle in each tin. How many pieces of peanut brittle did Leo have left over?
Leo had 5 pieces of peanut brittle left over.
200
What is the best estimate of 204 x 8 by using rounding or compatible numbers?
1,600
200
7 x 6
42
200
456
x 7
--------
3,192
200
576 ÷ 4
144
200
There are 35 skiers in line to ride the chair lift. If each chair seats 4 people, how many skiers will be on the last chair?
There will be 3 skiers on the last chair.
300
54 x 68
3,500
300
6 x 4
24
300
75
x 65
--------
4,875
300
258 ÷ 7
36 R6
300
Daisy's Floral Shop needs to mail 92 checks to the bank. If they can put 6 checks in each envelope, how many envelopes will the floral shop need?
Daisy's Floral Shop will need 16 envelopes.
400
697 x 43
28,000
400
11 x 7
77
400
743
x 89
66,127
400
843 ÷ 12
70 R3
400
A bakery received a shipment of 24 peaches. If it takes 8 peaches to bake a peach pie, how many full pies can the bakery make?
The bakery can make 3 full pies.
500
635 ÷ 8
80
500
12 x 3
36
500
7,532
x 23
----------
173,236
500
539 ÷ 5
107 R4
500
The parking lot for a new restaurant is going to have 38 parking spaces. If each row can have 19 parking spaces, how many rows will the parking lot need?