addition
addition and subtraction
Word problems
100
9+6
15
100
93-68
25
100
Jo wants to purchase a football for $25 and a shirt for $16. What is the total cost of both the football and the shirt?
$41
200
Add by making ten 9+6
15
200
510-200
310
200
Juan subtracted 54-7 using the subtracting 10 and then adding the ones strategy.
Subtracting 7 is the same as subtracting 10 and then adding what number?
2
3
4
5
3
300
48+33
81
300
5,792-3,581
2,211
300
True or False
An example story could be: In August, 537 trees were planted in a city's park. In September 491 more trees were planted than the number planted in August. How many trees were planted in September?
True
400
98+67
165
400
3,900+4,600
8,500
400
What is the difference between 6,010 and 5,010
1,000
500
458+513
971
500
1,652+4,121
5,773
500
What is the difference between 5,720 and 3,350
2,370