Rounding
Place Value
Adding
Subtracting
Problem Solving
100
Round 68 to the nearest ten.
70
100
496 What number is in the ones column?
6
100
25+25=
50
100
15-9
6
100
Olivia sold 3 boxes of cookies each day of the school week. How many boxes did she sell all together?
Olivia sold 15 boxes of cookies.
200
Round 92 to the nearest ten.
90
200
593 What number is in the tens column?
9
200
96+6=
102
200
32-5
27
200
Jacob drew 4 pictures on each of 5 pages of his notebook. How many pictures did he draw in all?
Jacob drew 20 pictures in all.
300
Round 942 to the nearest hundred.
900
300
310 What number is in the hundreds column?
3
300
55+34=
89
300
98-13
85
300
Leland need about 60 dominoes to make the design they want. Leland has 34 dominoes. Jessica has 33. Do they have enough?
Yes, they have enough.
400
Round 333 to the nearest ten.
330
400
648 What does the 4 represent?
40
400
119+21
140
400
550-45
505
400
Mr. G wants to play two movies in class. He picked out one movie that is 44 minutes long and one that is 52 minutes long. About how many minutes of class time does he need in all to the nearest ten?
He needs about 90 minutes in all.
500
Round 554 to the nearest hundred.
600
500
894 What does the 8 represent?
800
500
33+34
67
500
162-51
111
500
Josh has "about" 70 cents in his pocket. Name five amounts that he can possibly have (Hint: what numbers round to 70?).
Josh might have these amounts: 65, 66, 67, 68, 69, 71, 72, 73, 74 cents.