Even/Odd Numbers
1 2 3 4 5 6 7 8 9 10
Identify the even numbers in the list above^
2, 4, 6, 8, 10
145 + 343 = ?
488
478 - 128 = ?
350
Which of these statements is true?
a. 152 rounded to the nearest ten is 150.
b. 152 rounded to the nearest hundred is 200.
c. 539 rounded to the nearest hundred is 500.
d. 539 rounded to the nearest hundred is 600.
e. 22 rounded to the nearest hundred is 0.
a, b, c, e
There are 80 colored pencils in a bag. Four students each take 5 pencils from the bag. The number of pencils left in the bag is p. Which equation represents the situation?
a. 80 - 5 = p
b. 80 + 4 x 5 = p
c. 5 x p = 80 - 4
d. p = 80 - 4 x 5
d. p = 80 - 4 x 5
1 2 3 4 5 6 7 8 9 10
Identify the odd numbers in the list above^
1, 3, 5, 7, 9
? = 509 + 187
696
509 - 126 = ?
383
What is 46 rounded to the nearest hundred?
0
There are 8 boxes of markers. Each box contains 10 markers. A student brings in 17 more markers. The total number of markers is m. Which equation represents the situation?
a. 8 x 10 + 17 = m
b. 10 x 8 - 17 = m
c. 8 + 17 = 10 x m
d. m = 8 x 17 x 10
a. 8 x 10 + 17 = m
2 3 4 5 6
3 4 5 6 7
4 5 6 7 8
5 6 7 8 9
6 7 8 9 10
True or False: There are more even numbers than odd numbers.
True: There are 13 even numbers and only 12 odd numbers.
288 + 686 = ?
974
? = 700 - 476
224
649 roundest to the nearest ten AND nearest hundred
Nearest hundred: 600
Mom made 25 cookies. 5 of them were eaten, and then Mom made 12 more. The number of cookies is c. Which equation matches this situation?
a. 25 + 5 + 12 = c
b. 25 + 5 x 12 = c
c. c = 25 - 5 + 12
d. c = 25 x 5 x 12
c. c = 25 - 5 + 12
+ 1 2 3 4 5
1 2 3 4 5 6
2 3 4 5 6 7
3 4 5 6 7 8
4 5 6 7 8 9
5 6 7 8 9 10
True or False: The number 6 appears 6 times in the list above.
False - It appears 5 times.
Betty had 167 beads. Then, a friend gave her 269 more. How many beads does she have now?
167 + 269 = 436 beads
Mr. Nichols had $800. He spent $108 on Mountain Dew. How much money does have now?
$800 - $108 = $692
What is 550 rounded to the nearest hundred?
600
Ben has 50 pencils. He started with 10 and then got some more. The number of pencils is p. Which equation matches this situation?
a. 10 - p = 50
b. p = 50 x 10
c. 50 + 10 = p
d. 10 + p = 50
d. 10 + p = 50
Is 46 an even or odd number?
Even
Ms. Zimmerman had 519 tootsie rolls. Ms. Bachman has 291 tootsie rolls. How many tootsie rolls do they have combined?
519 + 291 = 810 tootsie rolls
Mrs. Leahy had 711 beads. She used 137 of them to make a necklace. How many beads does he have now?
711 - 137 = 574 beads
There are seats for 200 students in the auditorium. There are 77 students from Clare's school and 104 students from Noah's school at the performance.
Noah ESTIMATES that there will be about 20 empty seats. Do you agree with Noah? Explain or show your reasoning.
I agree because 77 rounds to 80 and 104 rounds to 100. 100 + 80 = 180, which means there will be 20 extra seats.
I disagree because 77 rounds to 100 and 104 rounds to 100, so that would be about 200 seats that are taken.
Ben babysat for 5 hours. He earned $2 each hour. Then he earned $15 for mowing the lawn. The amount of money he earned is m. Which equation matches this situation?
a. 5 x 2 - 15 = m
b. m = 5 x 2 + 15
c. 5 + 2 + 15 = m
d. 5 + 2 - 15 = m
b. m = 5 x 2 + 15