Properties of Addition
Name the property used in the problems below
12 + 0 = 12
What is identity?
Find the missing addend. Show your work.
8 + ___ = 12
What is 12 - 8 = 4
Estimate the sum: 378 + 449=
What is 400 + 400= 800
Estimate the sum using compatible numbers
592 + 90=
What is 600 + 100=700 (answers may vary)
Find the sum. Show your work.
307 + 388 =
What is 307 + 388 = 695?
Name the property used to in the problem below.
14 + 3 = 17
14 + 3 = 17
What is commutative?
Find the missing addend. Show your work.
___ + 5 = 14
What is 14 - 5 = 9
Estimate the sum using rounding.
465 + 299 =
What is 500 + 300 = 800
Estimate the sum using compatible numbers
497 + 177 =
What is 500 + 200 = 700 (answers may vary)
Find the sum. Show your work.
715 + 265 =
What is 980?
Name the property used in the problem below
9 + 8 = 17
8 + 9 = 17
What is commutative?
15 + ___ = 21
What is 21 - 15 = 6
Estimate the sum using rounding.
722 + 156 =
What is 700 + 200=900
Estimate the sum using compatible numbers:
692 + 337=
What is 700 + 300=1,000
Find the sum. Show your work.
798 + 247 =
What is 1,045?
Name the property used in the problem below
(5 + 9) + 4 = 18
5 + (9 + 4) = 18
What is associative?
Find the missing addend. Show your work.
___ + 14 = 24
What is 24 - 14 = 10
Estimate the sum using rounding.
784 + 562 =
What is 800 + 600 = 1,400
Estimate the sum using compatible numbers
510 + 576 =
What is 500 + 600 = 1,100 (answers may vary)
Find the sum. Show your work.
920 + 476 =
What is 920 + 476 = 1,396?
Name the property used in the problem below
6 + (12 + 5) = 23
(6 + 12) + 5 = 23
What is associative?
Find the missing addend. Show your work.
20 + ___ = 32
What is 32 - 20 = 12
Estimate the sum using rounding.
919 + 75 =
What is 900 + 100= 1,000?
Jane had 467 chocolate cupcakes. Karen had 355 strawberry cupcakes. About how many cupcakes did they have all together?
Estimate the sum using compatible numbers.
What is 500 + 400=900 (answers may vary)
Find the sum. Show your work.
Gina had 316 beads. Susan had 564 beads. How many beads do the girls have in all?
What is 316 + 564 = 880 beads?