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Addition Properties and Subtraction Rules
Addition and Subtraction Patterns
Multi-digit addition and subtracttion
Rounding to add or subtract
Word Problems
100
Write an equation that demonstrates the identity property of addition.
x = any number x+ 0 = x 0 + x = x
100
Complete the pattern. 343 ; 443 ; 543 ; _______ ; ________
643 and 743
100
592 - 236 =
356
100
6,618 + 3,182 ; thousands
10,000
100
Katherine found 748 seashells on the beach. She gave Jose 248 of the seashells. How many seashells does he now have ?
500 seashells
200
Write an equation that demonstrates the commutative property of addition.
x and y is any number x + y = y + x
200
Complete the pattern. 89,172 ; 88,172 ; 87,172 ; _________ ; ___________
86,172 and 85,172
200
23,891 + 17,032 =
40,923
200
485,912 - 123,110 ; ten thousands
370,000
200
Jason has 2,317 books. Alyssa has 5,128 books. How many books do they have together ?
7,445 books
300
Write an equation that demonstrates on of the subtraction rules.
x = any number x - x = 0 x - 0 = x
300
What rule is the pattern following 947,354 ; 937,354 ; 927,354 ; 917,354 ; 907,354
Subtact 10,000
300
671,004 - 529,162 =
141,842
300
6,932,058 - 4,129,003 ; millions
3,000,000
300
Rachel bought two coloring books. One had 23 pictures and the other had 32. After one week she had already colored 44 of the pictures. How many pictures does she still have to color?
11 pictures
400
Write an equation that demonstrates the associative property of addition.
x, y, and z = any numbers (x + y) + z = (z + x) + y
400
Jared traveled 3,671 miles in April, 5,671 miles in May, and 7,671 miles June. If the pattern continues how many miles will Jared travel in September?
13,671 miles
400
610,923 + 501,371 =
1,112,294
400
682,791 - 120,356 ; hundreds
562,400
400
Kelly had 34 books. If she sold 17 of them and used the money he earned to buy 7 new books, how many books would Kelly have?
24 books
500
7 + 4 Ashley says you have to add the 7 then the 4. Xavier says it doesn't matter because you will get the same answer. Who is correct, and which property supports your answer
Xavier Commutative Property of Addition.
500
Create a pattern where the rule is: add 100
answers may vary 234 ; 334 ; 434.....etc.
500
2,056,137 - 931,642 = Check your answer with addition.
1,124,495 1,124,495 + 931,642 = 2,056,137
500
7,172,609 + 312,615 ; hundred thousands
7,400,000
500
Peter has four horses. Each one eats 4 pounds of oats, twice a day. How many pounds of oats does he need to feed his horses for 3 days?
24 pounds of oats