Name the Property
Rounding
Estimating
Adding Numbers
Place Value Addition
100
3 + (4 + 7) = ? (3 + 4) + 7 = ? Find the sum. Name the addition property that it shows.
14, Associative Property
100
Round 47 to the tens place.
50
100
Round each addend to its greatest place value to ESTIMATE the sum. 22 + 16 = ? **Hint: The answer is NOT 38!
20 + 20 = 40
100
Find the sum. 149 + 202 = ?
351
100
Which number is 10 more than 452?
462
200
0 + 34 = ? Find the sum. Name the addition property that this shows.
34, Identity
200
Round 327 to the hundreds place.
300
200
Round each addend to its greatest place value to ESTIMATE the sum. 59 + 38 = ? **Hint: The answer is NOT 97!
60 + 40 = 100
200
206 + 384 = ?
590
200
What number is 100 more than 2,519?
2,619
300
24 + 32 = ? 32 + 24 = ? Find the sum. Name the addition property that it shows.
56, Commutative
300
Round 619 to the tens place.
620
300
Round each addend to its greatest place value to ESTIMATE the sum. 43 + 78 = ? **Hint: The answer is NOT 121!
40 + 80 = 120
300
1,012 + 362 = ?
1,374
300
Which number completes this number sentence? 364 + ? = 374
10
400
(6 + 4) + 3 = ? 6 + (4 + 3) = ? Find the sum. Name the addition property that it shows.
13, Associative
400
Round 73 to its greatest place value.
70
400
Round each addend to its greatest place value to ESTIMATE the sum. 158 + 225 = ? **Hint: The answer is NOT 383!
200 + 200 = 400
400
$528 + $376 = ?
$904
400
Which number completes this number sentence? 8,263 + ? = 9,263
1,000
500
256 + 0 = ? Find the sum. Name the addition property that it shows.
256, Identity
500
Round 568 to its greatest place value.
600
500
Round each addend to its greatest place value to ESTIMATE the sum. 532 + 359 = ? **Hint: The answer is NOT 891!
500 + 400 = 900
500
$1,089 + $433 = ?
$1,522
500
Which number completes this number sentence? 4,518 + ? = 4,528
10
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