Use the associative property to find the sum. Circle the addends that make ten.
4+8+6
(4+6)+ 8 = 18
2,379 + 5,408 =
7,787
Solve.
$52.98 + $25.01 =
$77.99
Solve.
460 - 125 =
335
Write the related facts for:
4 7 11
4+7=11
7+4=11
11-4=7
11-7=4
Use the associative property to find the sum. Circle the addends to make ten.
7+ 3+ 9=
(7+3)+9= 19
38,430 + 19,745 =
58,175
Solve.
$146.81 + $523.09 =
$669.90
Solve.
5,130-2,967 =
2,163
Solve.
30,000 - 16,048 =
13,952
Use the commutative property to write the related addition fact.
9+8
8+9
$325.90 + $419.27 =
$745.17
Solve.
$47.29 - $39.54 =
$7.75
Estimate & Solve.
79,381 - 38,902 =
40,000
40,479
Solve and tell what kind of word problem.
The first week of school Mark's class bought 15 erasers. The second week his class bought 6 erasers. How many more erasers did his class buy the first week?
compare
9 erasers
Use the commutative property to write the related subtraction fact.
9+n=15
n= 6
Estimate & Solve
$684.23 + $175.98 =
$900.00
$860.21
Solve.
$20.00 - $17. 43 =
$2.57
Solve.
8,000 - 5,217 =
2,783
sugar- 45
chocolate chip- 69
oatmeal- 26
Use the commutative property to write the related subtraction fact.
7 + n = 16
16-7=
n=9
Estimate & Solve
61,943 + 2,045
64,000
63,988
Paul got a $ 25.00 gift card for his birthday. He used his gift card to buy a box of trading cards for $9.87 and a display box for $6.49. How much did he spend?What amount was left on the gift card?
$16.36
$8.64
Solve and check.
39,000 - 13,244 =
25,756
25,756 + 13,244 = 39,000
The Miller family is traveling 1,000 miles to visit grandparents. They traveled 565 miles the first day. How far do they need to go to arrive the next day?
435 miles