Addition
Which addition fact can help you solve 17 − 9?
9 + 8= 17
8 + 9= 17
What is the difference of 13-4?
9
Count by tens. What number is missing?
45, 55, 65, ___, 85
75
What number does the model show ?
llllllllll l........
118
There are 7 brown bears and 5 black bears. How many bears are there?
12 bears
What is the difference? 90-50=
40
Which is true?
36 > 38
38 < 36
36 < 38
36 = 38
38 < 36
How many tens and how many ones does the number 48 has?
4 tens
8 ones
What is the sum 49 + 3=
52
Lebron has 9 stickers. He gives some away. Now he has 3 left. How many stickers did he give away?
What number is 10 less than 65?
55
How many tens and ones are in the sum? 45 + 22
Choose
a)2 tens and 7 ones
b)6 tens and 3 ones
c)6 tens and 7 ones
d)7 tens and 6 ones
c)6 tens and 7 ones
3 + 5 + 2 =
10
What is 80-30?
50
77 is _______ than 58
greater
Gina thinks of a number that has 7 ones and 3 tens. What is the number? Draw to show your work.
37
Amy has 5 books about dogs. She has 12 books about cats. How many books does she have about dogs and cats?
17 books
True or false:
5-4=4-3
True
87 is _____ than 89
less
Emily wants to write ten and ones to show 82. What does Emily write?
8 tens
2 ones