Sheet # 102 2-digit Estimation/Rounding
1) There were 24 horses, and 38 cows in the pasture.
About how many fewer horses are there than cows?
A) 14
B) 10
C) 6
D) 20
2) Nancy collected 73 aluminium cans last month, and Matt collected 47 aluminium cans.
About how many fewer cans did Matt collect than Nancy?
A) 20
B) 26
C) 30
D) 40
3) An orchard contains 27 apples trees, and 43 pear trees.
About how many fewer apples trees are there than pear trees?
A) 16
B) 20
C) 15
D) 10
4) Melissa bought 50 envelopes. She has used 23 envelopes.
About how many envelopes are left?
A) 27
B) 20
C) 23
D) 30
5) There are 70 people waiting for a train but only 27 people can get on.
About how many will have to wait for the next train?
A) 30
B) 43
C) 40
D) 50