Properties of Addition
Write each missing number and name the property
18+__=18
18+0=18
Identity (zero) property
Round this number to the nearest ten
54
50
Solve the following addition problem
302+56=?
302+56=358
Solve the following subtraction problem
523-163=?
523-163=360
Elena has $265. She buys a jacket that costs $107 and a sweater that costs $69.How much money does Elena have left?
265-107=158
158-69=$89
Elena has $89 left.
Write each missing number and name the property
14+(16+15)=(___+16)+15
14+(16+15)=(14+16)+15
Associative (grouping) Property
Round this number to the nearest ten
85
90
Solve the following addition problem
463+418=?
463+418=881
Solve the following subtraction problem
847-372=?
847-372=475
A theater sells 128 tickets on Friday.The theater has sold a total number of 679 tickets. How many tickets had the theater sold before Friday?
679-128=551
The theater sold 551 tickets before Friday.
Write each missing number and name the property
13+17=____+13
13+17=17+13
Commutative (order) Property
Round this number to the nearest ten
19
20
Solve the following addition problem
222+725=?
222+725=947
Solve the following subtraction problem
768-259=?
768-259=509
Toni read 131 pages on Monday and some pages on Tuesday.She read 289 pages in all.How many pages did Tony read on Tuesday?
289-131=158
Toni read 158 pages on Tuesday.
Write each missing number and name the property
62+21+0=62+______
62+21+0=62+21
Identity (zero) Property
Round this number to the nearest hundred
168
200
Solve the following addition problem
689+115=?
689+115=804
Solve the following subtraction problem
282-125=?
282-125=157
Mari wants to buy a tablet computer for $450, and a storage case for $72. She wants to install software that costs $298. How much will the total come out to if she purchases all three items?
450+72=522
522+298=$820
She will spend $820.
Write each missing number and name the property
31+(26+38)=(31+___)+38
31+(26+38)=(31+26)+38
Associative (grouping) Property
Round this number to the nearest hundred
522
500
Solve the following addition problem
578+256=
578+256=834
Solve the following subtraction problem
867-246=?
867-246=621
Hazel wants to buy 72 bunny carrots for her friends. She also wants to buy 72 baskets to place them in. How many bunny carrots and baskets will she have altogether?
What is 72+72?
72+72=144