Addition
11+6
17
What place is 6 in 615: Ones, Tens or Hundreds
Hundreds
15
How many more, how many more is....
Minus
37+28
65
What place is 7 in 47
Ones Place
Skipping by 4:
12,16,20,____
24
There are 21 active volcanoes on Hawaii and California. There are 17 active volcanoes on Hawaii. How many are in California?
4
2+30+4
36
What place is 8 in 85?
Tens Place
Skipping by 5's
30,35,40,45,___
50
John has 16 marbles. He lost 7. How many marbles does he have left?
9
85+65+72
222
What place is 2 in 2,123
Thousand
Skipping by 7
21,28,35,42,49,___
56
Megan has 19 seashells. How many more seashells does she need to find to have 25 seashells in her collection?
6
68+37+66
171
What is place is 9 in 1,921
Hundreds Place
117, 128,139,____
150
There are 38 books on the shelf. Marta put 10 more books on the shelf and her mom put 4 more books on the shelf. How many books are on the shelf now?
52