Place Value
Base-Ten Blocks
Addition
Subtraction
100
What is Place Value?
Place Value determines the value of a digit based on its position
100
What are base-ten blocks?
Manipulatives that are used to represent place value and can help us add and subtract
100
Using your base-ten blocks, solve: 20 + 11
31
100
Using your base-ten blocks, solve: 99 - 8
91
200
In the number 283, what place is the 8 in?
Tens Place
200
What is this base-ten block called?
Flat
200
Using your base-ten blocks, solve: 42 + 6
48
200
Using your base-ten blocks, solve: 77 - 50
27
300
In the number 1,450, what place is the 0 in?
Ones Place
300
A rod is worth how many units?
10
300
Using your base-ten blocks, solve: 45 + 33
78
300
Using your base-ten blocks, solve: 68 - 34
34
400
In the number 12,942, what place is the 9 in?
Hundreds Place
400
What is this number?
219
400
Using your base-ten blocks, solve: 71 + 26
97
400
Using your base-ten blocks, solve: 74 - 62
12
500
In the number 32,670, what place is the 2 in?
Thousands Place
500
How many flats, rods, and units would you need to represent the number 364?
3 flats, 6 rods, and 4 units
500
Using your base-ten blocks, solve: 38 + 34
72
500
Using your base-ten blocks, solve: 53 - 14
39