Addition
5+5
10
10, _____, _____, 13
11, 12
How many ones are in 312
2
10-5
5
What is the expanded form of 345
300+40+5
10+7
17
What's the pattern?
5, 10, 15, 20, 25, 30
Skip counting by 5
How many tens are in 542
4
15-3
12
what is the expanded form of 23
20+3
25+3
28
What number is missing?
90, ___, 70, 60
80
How many hundreds are in 937
9
40-20
20
What is the expanded form of 222
200+20+2
50+20
70
Find the pattern:
33, 36, 39, 42, 45, 48
skip count by 3's
True or False:
There are 3 tens in the number 83
False, there are 8
33-22
11
What is the expanded form of 15
10+5
73+26
99
77, ___, ____, ____, 73
76, 75, 74
How many hundreds are there in 9,751
7
67-54
13
What is the expanded form of 403
400+3