Modeling Numbers
Adding Numbers
Subtracting Numbers
Word Problems
100
Name the number is modeled below:
363
100
Add the following:
13 + 6
19
100
Subtract the following:
19 - 7
12
100
Decide if the following an addition or subtraction problem:
Arjhay read 35 pages of his book on Saturday and 56 pages of his book on Sunday. How many more pages did he read on Sunday?
subtraction!
200
Model the number 233.
200
Add the following:
42 + 35
77
200
Subtract the following:
38 - 16
22
200
Decide if the following an addition or subtraction problem:
Valeria has used 14 pages in her notebooks. Yessi has used 10 pages in her notebooks. How many pages have they used in total?
addition!
300
Name the number modeled below:
262
300
Add the following:
56 + 34
90
300
Subtract the following:
82 - 35
47
300
Decide if the following is addition or subtraction and solve:
The cafeteria served 520 lunches on Tuesday and 300 lunches on Wednesday. How many more lunches did they serve on Monday?
subtraction!
220 more lunches on Tuesday