estimation
addition
subtraction
Tally Charts
graphs and tables
100
round 55 to the nearest 10
60
100
give an example of the commutative property of addition
3+4+2= 4+2+3
100
does commutative property apply to subtraction?
No
2-3 ≠3-2
100
which city got the most votes?
New York (20)
100
What is the scale of this graph?
The scale is 0-40
200
round the number 823 by the nearest hundred
800
200
find the sum
18+39+32=
18+39+32= 89
200
find the difference
58-11=
58-11= 47
200
what Snack had the greatest amount of votes based on the tally chart?
Chips (10)
200
What Month has the greatest number of Birthdays?
June
300
about how much 45-35=
what numbers do you round to?
50-40=10
round by 10's
300
A vet has 26 dogs, 37 cats and 14 hamsters. How many animals are in the vet altogether?
26+37+14= 77
300
Tom has 78 emails. He deletes 47. How many emails are left?
78-47= 31
300
what is the least popular sport from the tally chart?
Gymnastics
300
what month has the least number of Birthdays?
August
400
approximately how much is 345+251
what is each number rounded to?
300+300=600
400
Mark has 215 pokemon card. Emily has 454 pokemon cards. How many cards do Mark and Emily have altogether?
454+215= 669 pokemon cards.
400
Jim scored 32 points on a game. This was 11 more than James scored. How many points did James score?
32-11= 21
400
what is the most popular sport based on the tally chart?
hockey
400
What was the total number of fruit categories in this bar graph
6 fruits
500
explain the best way to round 435-64=
round by 10's or hundreds?
440-60=380
round by 10's
500
Jason has 330 coins. Richie has 268 coins. Rachel has 381 coins. Which two students have more than 700 coins combined?
Jason and Rachel
330+381= 711
(more than 700)
500
A train travels 322 miles on its first trip. On its second trip, it travels 466 miles. How many more miles did it travel on its second trip?
466-322= 144
500
what is the combined total of votes for Paris and New York?
20+ 18 = 38
500
Did more boys or girls prefer crafts at camp based on the graph?
5 more girls preferred crafts