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addition properties
subtraction rules
number patterns
problem solving
misc.
100

What property states that the order that numbers are added does not change the sum.

Commutative Property

100

This is an example of what rule?

            22 - 0 = 22.  State the rule

Subtraction rule- when you subtract 0 from any number, the result is the number.

100

Identify and complete the number pattern.

12,345; 13,342; ________, 15,342

14,342

100
A field of corn has 2,000 insects. There are 314 grasshoppers and 183 beetles eating corn.  How many insects are not eating the corn?

2000-314-183=a

314 + 183= 497

2,000-497=1503

100

At a library, 1,324 children's books are checked out and 1,510 fiction books were checked out. About how many books were checked out? Use estimation to solve. 

1,324 rounds to 1,300 

1,510 rounds to 1,500

total: 2,800 books were checked out

200

What property states that the sum of any number and 0 is the number?

Identity Property of Addition

200

This is an example of what rule?

16-16=0. State the rule

Any number subtracted from itself always equal 0.

200

Solve:  1000 less than 9,052

8,052

200

Bailey had 75 beads. She used 20 of them on a necklace and 12 of them on a bracelet. Then she bought 25 more beads.  How many beads does Bailey have now?

75-20-12+25=a

a=68

200

What do you call the numbers you add together in an addition sentence?  45 + 32 =

Addends

300

What property states that the way in which numbers are grouped when added does not change the sum?

Associative Property of Addition

300

Fill in the missing number.   

 _____ - 0 = 37

37

300
Complete the pattern: 

32,877; 42,887 52,887 ________

62,887

300

There are 367 boxes of graham crackers at the grocery store.  On Monday, 126 boxes are sold and on Tuesday, 92 boxes are sold.  On Wednesday, 203 more boxes are delivered.  How many boxes are there now? Write an equation with a variable to solve.

367 - 126- 92 + 203 = a

a = 251 boxes

300

When subtracting, the bottom number (the number that is subtracted) is called?

Subtrahend

400

This is an example of which addition property?


(5 + 2) + 3 = 5 + (2 + 3)

Associative Property of Addition

400

Fill in the unknown.  

85 - ___ = 0

85

400

Complete the pattern: 66, 78, 90, 102, ______

114

400
Solve:  Mia's parents have $150 to spend at the beach. It will cost $70 to rent a boat, $15 for snorkels, and $25 for lunch.  If Mia pays for the lunch with her own money, how much money will her parents have left over?

$150-$70-$15 = b

b= $65

400

When subtracting, the top number is called the?

Minuend

500

This is an example of which addition property?

                   4+1=5       1+4+5

Commutative Property of Addition

500

Solve the unknown.  

____ - 0 = 2,874

2,874

500

Complete the pattern:  12, 7, 14, 9, 16 

What's the rule?

11

subtract 5, add 7

500
Solve: Savannah had $15. She earned $20. Then, she bought a gift for $8.  How much money does she have left? Write an equation and use a variable for the unknown.

$15 + $20 - $8 = b

b= 27

500

Angela uses a large pitcher to water her plants. When the pitcher is full, it holds 384 ounces. Angela gives each plant 100 ounces of water.  How much water is left in the pitcher after Angela waters three plants?

84 ounces