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Doubles
Vocabulary
Word Problems
Rounding
Expanded Addition Facts
100
5+5=?
What is 10?
100
The definition of the identity property.
What is you can add 0 to any number... and it keeps its identity. The number stays the same!
100
Three friends are playing a card game. Jack has 4,561 points, Camille has 3,918 points and Christopher has 5,287 points. Which friend won the game?
Who is Christopher with 5,287?
100
51+22= about how much rounded to the nearest ten?
What is about 70?
100
70+60=?
What is 130?
200
7+7=?
What is 14?
200
The meaning of this symbol: >
What is greater than?
200
A veterinarian sees five patients before lunch. Rover weighs 67 pounds, Lady weighs 45 pounds, Casper weighs 89 pounds, Pouncer weighs 25 pounds and Jasper weighs 38 pounds. Put these pets in order from lightest to heaviest.
What is Pouncer (25), Jasper (38), Lady (45), Rover (67) and Casper (89).
200
131 + 17 = about how much rounded to the nearest ten?
What is about 150?
200
30+80=?
What is 110?
300
40+40=?
What is 80?
300
The definition of the commutative property
What is when you are doing addition, it doesn't matter which order the numbers are in?
300
If Tommy has 3 cats, 4 dogs, and 5 birds, about how many pets does he have (rounded to the nearest ten)?
What is about 10 pets?
300
160+111=about how much rounded to the nearest hundred?
What is about 300?
300
700+500=?
What is 1,200?
400
800+800=?
What is 1,600?
400
What is the definition of the associative property?
What is: It doesn't matter which numbers are in parentheses, the answer will always be the same.
400
If Callie had 17 pencils in her desk, and Carmen had 22 pencils in her desk, about how many pencils did they have together (rounded to the nearest ten)?
What is about 40 pencils?
400
531+246= about how much rounded to the nearest ten?
What is about 780?
400
800+900=?
What is 1,700?
500
3,000+3,000=?
What is 6,000?
500
Why does rounding make numbers easier to work with?
Because it is easier to work with zero than any other number.
500
If Tony went bird watching in his neighborhood park and saw 67 cardinals, 75 robins, 32 blue jays and 132 pigeons, about how many birds did he see (rounded to the nearest hundred)?
What is about 300?
500
3210+1234=about how much rounded to the nearest hundred?
What is 4,400?
500
6,000+8,000=?
What is 14,000?