Addition Properties
Identify the property.
18+0=18
Identity Property of Addition
Round 456 to the nearest ten.
460
Round to the nearest ten to estimate.
138+435
580
Round to the nearest hundred to estimate.
286-189
100
Ms. Lundquist gave Ms. Dee 134 pencils on Monday. Now Ms. Dee has 556 pencils. How many pencils did Ms. Dee have before Monday?
422 pencils
Identify the property.
19+13=13+19
Commutative Property of Addition
Round 732 to the nearest hundred.
700
Round to the nearest ten to estimate.
563+289
850
Round to the nearest ten to estimate.
766-492
280
Brigman's book has 634 pages. So far he has read 379 pages. How many more pages does Brigman need to read to finish his book?
255 pages
Identify the property.
16+(14+13)=(16+14)+13
Associative Property of Addition
Round 829 to the nearest ten.
830
Round to the nearest hundred to estimate.
403+179
600
Round to the nearest ten to estimate.
649-487
160
Noah scored some points on a video game. Jazelle scored 472 points. Together they scored 896 points. How many points did Noah score?
424 points
Identify the property.
(39+12)+8=(12+39)+8
Commutative Property of Addition
Round 949 to the nearest hundred.
900
Use compatible numbers to estimate.
145+394
550
Use compatible numbers to estimate.
355-177
175
Leila puts $382 in her bank account. Now she has $594 in her bank account. How much money did Leila have in her bank account to start?
$212
Group the addends in a different way to get the same sum. Write the new equation.
(42+14)+6=62
42+(14+6)=62
Round 975 to the nearest hundred.
1,000
Use compatible to estimate.
167+27
200
Use compatible numbers to estimate.
481-105
380
Bella prepared 584 meals in one month. Some meals were pasta and the rest were pizzas. There were 253 pasta meals. How many more meals were pizzas?
331 meals were pizzas