Rounding to nearest ten
32
30
42 + 16
60
Three quarters
75 cents or $.75
I had 30 pieces of candy and then I ate 15 of them. How many pieces of candy do I have left?
15
68
70
19 - 4
20
two dimes
one quarter
45 cents or $.45
Someone gave you 51 Lego pieces. You used 35 pieces to build a car. About how many Lego pieces did you not use for the car?
10 (Did you estimate? Did you remember to round first and then subtract?)
4
0
36 - 22
20
a nickel, three dimes, and three pennies
38 cents
I did 45 sit ups yesterday. Today I did 50 sit ups. How many did I do altogether?
95
45
50
57 + 41
100
82 cents
I planted 55 sunflower seeds but unfortunately the chipmunks came after me and ate 32 of them. How many sunflower seeds are left?
23
96
100
21 + 74
90
One dime, one nickel, and one quarter
40 cents
Mr. Taylor read 62 pages of his book on Tuesday. On Wednesday he read another 25 pages. About how many pages did he read altogether?
90 (Did you estimate? Did you remember to round first and then add?)