Addition Properties
What is the missing number?
62+ _____=27+62
27
Complete the number pattern.
1,234; 1,334; 1,434; ______; _______
1,534; 1,634
Add mentally to find the answer.
42+29=
41+30=70
Round the addends than find the sum.
37+14=
40+10=50
find the sum.
122+500=
622
What is the missing number? Which addition property is being shown?
18+(22+6)=
(18+____) +6=
22
Associative property
Complete the number sentence.
3,421+ ______= 3,422
1
Add mentally.
328+253
330+251=581
Round the addends to the nearest hundred. Then find the sum.
525+132=
500+100=600
Find the sum.
1,456+373=
1,829
Fill in the missing numbers. Which property of addition is being shown?
_______ + 0=________
Identity property.
answers vary: 123, 7, 89.
Find the number that completes the number sentence.
8,263+ ______= 9,263
1,000
Round the number to the greatest place value.
873
900
Three large pizzas cost $36. Two medium pizza costs $25. To the nearest ten, about how much do all 5 pizzas cost?
40+30=70
Look at the addition problem. In what place value do you have to regroup?
456+152
Fill in the missing number. What property of addition is this?
1,234+_______=1,445
211+ 1,234= 1,445
211
commutative property
What is 100 more than 5,236?
5,336
Round the number to the nearest ten and the nearest hundred.
864
900
860
On Saturday 3,621 people visited the fair. On Sunday, 2,324 people visited the fair. To the nearest hundred, what is a reasonable estimate for the number of people who went to the fair?
3,600+ 2,300= day 5,900
Sophia collects hair bows. She has 247 bows. In one year she collects 457 more bows. In all, how many bows does Sophia have?
457+247=704
Fill in the missing numbers. What property of addition is being shown?
(17+5)+3 = 17+(____+_____)
5,3
Associative property
Jesus has 3,567 pokemon cards before going to school. He comes back home with more. He now has 3,577 pokemon cards. How many cards did he gain at school?
10 cards
Walmart has 387 shoppers. To the nearest ten, about how many shoppers does Walmart have?
390
Ms. Ramos is building a brick fence. She used 1,552 bricks to build one side of the fence. She needs 1,234 more bricks to finish the fence. How many bricks did Ms.Ramos use in all?
1,552+1,234=2,786