Addition and Subtraction
What is 15+17?
32
What digit is in the ones place?
1,972
Round 17 to the nearest ten.
20
True or False:
130 + 80 = 150
False, it equals 250
What type of pattern is this? (teacher will show picture)
Repeating pattern
What is 240 - 30
210
What digit is in the thousands place?
89,547
9
Round 845 to the nearest hundred.
800
True or False:
26 = 89 - 63
True
What type of pattern is this? (teacher will show picture)
Growing pattern
Mrs. Baker made 300 cookies for a party. Ms. O'Neill also made 150 cookies for that party. How many cookies were there in total?
450
What is the value of the digit in the ten thousands place?
145,001
5 thousand
5,000
Estimate the answer to this problem:
49 + 87
140
Find the true statement.
a. 7+7 = 14-10
b. 5+5 = 9+1
c. 23+5 = 18
b. 5+5 = 9+1
Describe the core of a pattern.
The core is the main part of a pattern that repeats.
Solve. 175+346
521
82,300
1. Mr. Polk has to make enough goody bags for his son's class. He wants to make sure there are some extras, so he decides to round. If there are 36 kids in daycare, about how many goody bags should he make?
2. Did Mr. Polk round up or round down?
40
Round Up
Create an equality to fill in the blank:
10 - 6 = _____
*YOU MAY NOT SAY 4
Multiple answers accepted (2+2, 3+1, 4+0, etc.)
Find the missing terms in this sequence:
21, 24, ___, 30, ____, 36
27 and 33
Solve. 643 - 125
518
I am a number that has a number greater than 3 in the tens place, but less than 7. I also have more thousands than I do tens. What number am I?
*There is more than one way to answer this!
Multiple answers accepted
Mrs. Wood has 17 butterfly stickers and 24 ladybug stickers. ABOUT how many stickers does she have in total?
40
Create an equality to fill in the blank:
54 + 8 = ______
*YOU MAY NOT SAY 62
Multiple answers accepted
What is the rule for this pattern?
20, 15, 10, 5, 0
Subtract 5 each time