Place Value
In 625 what place value is the 5 in?
ones
18
Solve 12-6
6
Mrs. Johnson bought 20 pencils for her class. She gave 8 pencils to her students. How many pencils does she have left?
12 pencils
Do we start on the left side of the right side for addition and subtraction?
Right
In 7,422 what place value is the 4 in?
Hundreds
Solve 27+6
33
Solve 49-6
43
Sarah has 34 stickers. Her friend gives her 8 more stickers. How many stickers does Sarah have now?
42 pencils
Which column do we always start with for addition and subtraction?
Ones
What is the biggest number you can have in one place value/column?
9
Solve 17 +14
Solve 24-15
9
The school library has 56 books. The librarian removes 32 old books. How many books are left in the library?
24 books
When we borrow. How many are we carrying over/adding to the other column?
10
In 10,924 what value is the 9?
900
Solve 124+35
159
Solve 76-17
49
Tom collects marbles. He has 45 blue marbles and 22 red marbles. How many marbles does Tom have altogether?
67 marbles
When we are adding and a number in one column is greater than 9 we can to what?
Regroup/Carry
In 14,526 what value is the 4?
4,000
Solve 237 + 192
429
Solve 124-35
89
There are 93 students in the cafeteria. After lunch, 56 students go outside to play. How many students are still in the cafeteria?
37 students
When we are subtracting and the number on top is smaller than the number on the bottom, we must what?
Borrow/Regroup