Find the related fact (inverse) that is in the same fact family as 45 + 15 = 60
What is 60 - 15 = 45
200
7 + 7 + 7 =
What is 21
200
45 - 15 =
What is 30
200
23 + 18 =
What is 41
200
80 - 14 =
What is 66
200
There are 3 girls on the bus. Each girl has 7 bracelets. How many bracelets are there in all?
What is 7 + 7 + 7 = 21
300
45 + 13 =
What is 58
300
87 - 25 =
What is 62
300
289 + 673 =
What is 962
300
311 - 106 =
What is 205
300
Mrs. Knotts' candy dish has 23 dark chocolates and 18 milk chocolates. She found the total number of chocolates by adding 23 + 18 = 41. Write an equation (inverse) to show how Mrs. Knotts' could check her work.
What is 41-23 = 18 OR 41-18=23
400
571 + 2 1 8 =
What is 789
400
743 - 610 =
What is 133
400
245 + 268 =
What is 513
400
268 - 249 =
What is 19
400
Grace started collecting baseball cards on Monday. She put 6 cards on each of the first 3 pages of her baseball book. On Saturday, she decided to sell 5 cards. How many cards does Grace have left? (Draw a picture to help you figure it out!)
What is 13
500
1,234 + 432 =
What is 1,666
500
289 - 173 =
What is 116
500
541 + 162
What is 703
500
500 - 2 73 =
What is 227
500
There are 268 students in 2nd grade. There are 245 students in 3rd grade. What is the difference between the number of students in 2nd and 3rd grade?