The longest river in the world is the Nile River. It is 4,132 miles long. The longest river in the United States is the MIssouri River. It is 2,540 miles long. Which is the best estimate of the difference in the lengths of the Nile and Missouri Rivers?
1,000 miles
1,600 miles
2,000 miles
6,600 miles
The longest river in the world is the Nile River. It is 4,132 miles long. The longest river in the United States is the MIssouri River. It is 2,540 miles long. Which is the best estimate of the difference in the lengths of the Nile and Missouri Rivers?
1,000 miles
1,600 miles
2,000 miles
6,600 miles
Sue saved up $286. Then she received $75 for her birthday. About how much money does Sue have now?
$80
$300
$370
$500
Mallory is a pilot. Last week she flew the following round trips in miles: 2,020; 1,358; 952; 2,258; and 1.888. Which of the following is a good estimate of the miles Mallory flew last week?
6,000 miles
6,800 miles
7,000 miles
8,000 miles
In one year a photographer took 322 pictures of animals and 859 pictures of people. About how many pictures did he take in total?
1,200 pictures
1,000 pictures
600 pictures
1,100 pictures
A grocery store ordered 491 bottles of regular soda and 117 bottles of diet soda. About how many more bottles of regular soda than diet soda did the grocery store order?