Place Value
Which digit is in the ones place in the following number:
17
7
(there is one 10 and 7 ones)
Use a white board to draw out the following multiplication problem:
3 x 5
(you should have drawn 3 large groups with 5 items in each group)
Adding with no regrouping:
21
+ 14
35
Subtract with NO borrowing:
16
- 12
4
What operation will I most likely use if I hear the phrase "in all"?
Addition
Which digit is in the tens place in the following number:
25
2
(there are 2 tens and 5 ones)
What is 11 x 3
33
Adding with no regrouping:
125+ 242
367
Subtract with no borrowing:
34
- 12
22
Identify the UNITS in the following problem (you don't need to solve):
Karen had 7 cookies, she ate 4 of them. How many cookies does she have left?
The unit is cookies
Which digit is in the tens place in the following number:
124
2
Skip count by 10s to solve:
10 x 7
70
Add with regrouping:
1935
Subtract WITH borrowing:
33
- 10
23
What operation am I going to use if I hear the word "each"?
Multiplication
Which digit is in the hundreds place in the following number:
458
4
Which word in a word problem ALWAYS tells us that we need to use multiplication to solve?
Each
Add with regrouping:
108
+ 258
366
Subtract WITH borrowing:
44
- 19
25
What am I going to use if I see the words "how many are left?"
subtraction
Identify the ones, tens, and hundreds place in the following number:
567
7 is in the ones place
6 is in the tens place
5 is in the hundreds place
Solve with your multiplication chart:
12 x 12
144
Add with regrouping (challenge!):
239
+ 387
626
Subtract with borrowing (challenge!):
350
- 249
101
CHALLENGE: You might see this word in addition OR multiplication problems
Altogether