2 digit addition
What is 14 + 32?
46
Martin planted 26 tulip bulbs and 39 daffodil bulbs. How many bulbs did he plant in all?
65 bulbs
What do you call the answer of an addition problem?
sum
Do we regroup the following addition problem:
14 + 4
No
Add: 34 + 22 + 11
67
What is 34 + 58?
92
Jennifer has 39 baseball cards. Joel has 17. How many many baseball cards do they have altogether?
56 baseball cards
14 + 3 = 17
What do we call the 14 and 3?
addends
What is another way to write 5 tens and 6 ones?
56
Add: 54 + 12 + 24
90
What is 33 + 29?
62
Elizabeth studied 25 minutes for her science test. She studied 35 minutes for her math test. How long did Elizabeth study altogether?
60 minutes
When you take apart a number and write it in a new way, it is called...
regrouping
What is another way to write 1 ten and 4 ones?
14
13 + 12 + 14 + 18
57
What is 58 + 29?
87
Vincent has learned the words to 56 songs. He learned 18 more songs at summer camp. At school, he learned another 14. How many songs does Vincent know now?
88 songs
What do we call it when we add the same number over and over?
repeated addition
Do we regroup the following addition problem:
32 + 15 + 33
Yes
Add: 34 + 54 + 11
99
What is the sum of 46 plus 3 tens and 8 ones?
84
A book has three chapters. The first chapter is 38 pages long. The second chapter is 48 pages long. The final chapter is 13 pages long. How many pages does the book have altogether?
99 pages
When we show objects in rows and columns of equal length, it is called an.....
array
How could you take apart 56 + 25 to find the sum? (hint: make a ten)
51 + 5 + 25 or 56 + 4 + 21
Add: 22 + 15 + 28 + 32
97