Mental Math
10 more then 34 is ____
44
45 + 34 =
79
45 - 22=
23
What is the value of the 6?
654
600
What is the digit in the tens place?
456
5
10 less than 56 is ___
46
67 + 27 =
94
86 - 38 =
48
Write 346 in expanded form
300 + 40 + 6
What is the value of the 7?
7,890
7,000
40 + 23 =
63
134 + 65
200
146 - 34 =
112
Write this number in standard form:
400 + 30 + 5
435
_____ one thousands, hundreds ________ _________
ones, tens, ten thousands
32 + 21
53
89 + 56
145
107 - 45 =
62
What place value is to the left of the tens?
hundreds
what is 40 more than 25
65
20 more than 345 is ____
365
138 + 267
405
200- 65=
135
How many tens makes 100?
10
skip count by 3's to 18
:)