Vocabulary1
A __________ is a set of numbers that follow a certain order.
pattern
The __________ of Addition states that you can change the order of the addends and still get the same sum.
Commutative Property
(3 + 1) + 6 = _____
What property? __________
10; Associative
1 more than 358
359
$34 + $23; tens
$30 + $20 = $50
__________ tell you which operations to group in a number sentence.
Parentheses
What is the topic of this chapter?
Addition
8 + 4 = _____
4 + 8 = _____
What property? __________
12; 12; Commutative
100 more than 5,834
5,934
1,172 + 1,115; tens
1,170 + 1,120 = 2,290
The missing number or what you are solving for in a problem is the __________.
unknown
A number close to its actual value is a(n) __________.
estimate
(5 + 0) + (9 + 2) = _____
What property? __________
16; Associative
1,000 more than 1,529
2,529
$1,624 + $334; hundreds
$1,600 + $300 = $1,900
__________ is a way of doing math in my head.
Mental math
When an answer makes sense, it is __________.
reasonable
0 + 4 = _____
What property? __________
4; Identity
10 more than 567
577
219 --> 200
694 --> 700; 200 + 700 = 900 people
The __________ of Addition states when you add zero to any number, the sum is that number.
Identity Property
To use place value to exchange equal amounts when renaming a number is to __________.
regroup
13 + 4 = _____
4 + 13 = _____
What property? __________
17; 17; Commutative
1,000 more than 251
1,251
Mrs. Bressner went Christmas shopping for her students over the weekend. On Saturday, she spent $76 and on Sunday, she spent $128. About how much did Mrs. Bressner spend on Christmas presents?
$76 --> $80
$128 --> $130; $80 + $130 = $210