Vocab
Models
Hundreds Chart
Mental Math
Word Problems/Think Addition
100
The answer to a subtraction problem
What is the difference?
100
The difference of 20-10 using tens.
What is 10?
100
The difference of 80-20 using the hundreds chart.
What is 60?
100
The difference of 3 tens minus 2 tens.
What is 1 ten?
100
A store has 50 toy boats. The sell 10 boats. The store has _____ boats left.
What is 40?
200
The name of the tool below
What is hundreds chart?
200
The difference of 90-30 using tens blocks.
What is 60?
200
The difference of 62-10 using a hundreds chart.
What is 52?
200
The difference of 56-10 (hint: 5 tens minus 1 ten)
What is 46?
200
Use addition to solve
50 + ____ = 70, so
70-50= ____
What is 20?
300
The name of this tool
What is number line?
300
The difference of 58-20 using tens.
What is 38?
300
The difference of 89-30 using the hundreds grid.
What is 59?
300
The difference of 45-20 (hint: 4 tens minus 2 tens)
What is 25?
300
Use addition to solve
30 + _____ = 70, so
70-30= ____
What is 40?
400
The name of the follow picture
What is models/tens?
400
The difference of 45-30 using tens.
What is 15?
400
The difference of 27-20 using the hundreds grid.
What is 7?
400
The difference of 69-30 (hint: 6 tens minus 3 tens)
What is 39?
400
Mrs. Thacker has 90 stickers. She gives out 40 stickers. Mrs. Thacker has ______ stickers left.
What is 50?