Rewrite ( Associative Property)
Solve
Vocabulary
Place Value
Random
100
(3 + 1 ) + 2 =
3 + (1 + 2)
100
Solve: (3 + 2) - 1
4
100
3 + 8 = 11 What is the 8 in this number?
Addend
100
In the number 2,345 what is the place of the 3?
Hundreds
100
a + b = b + a What property is this above?
commutative
200
5 + 4 = ____ + ____
4 + 5
200
(5 + 3) - (2+1)
5
200
5 + 2 = 7 What is the number 7?
sum
200
In the number 2,345 what is the place value of the 3?
300
200
342 rounded to the nearest ten
340
300
(8 + 4) + 2
8 + ( 4 + 2)
300
a + b = ___ + a
b
300
The answer to an addition problem is called the....
sum
300
In the number 245,981 what numbers are in the one's period?
981
300
(3 + 2 ) + 4 = 3 + (2 + 4) This is the ________ property
associative
400
Write and solve this equation 2 ways 6 + 1 + 3
(6 + 1) + 3 = 10 6 + (1 + 3) = 10
400
(15 - 2) - (9 - 1) =
5
400
What is the 9 in this equation: 9 - 3 = 6
minued
400
In the number 435, 981 what numbers are in the hundreds period?
435
400
(8 +2) - (3-1) =
8
500
Write this equation two different ways and solve: 8 + 3 + 4
(8 + 3) + 4 =15 8 + (3 + 4) = 15
500
(4 + 2) - (3 -1)
4
500
What is the 5 in this equation: 13 - 8 = 5
Difference
500
In the number 321, 746 what numbers are in the ones period?
746
500
Estimate the sum of 36 and 42.
36 --> 40 42 --> 40 40 + 40 = 80
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