Even / Odd
Tell whether the sum is odd or even. 8 + 9 = ?
What is odd.
What digit is in the hundreds place in the number 874?
What is 8?
What property says that numbers can be added in any order and the sum will be the same.
What is the Commutative Property
Round 134 to the nearest 10.
What is 130?
Jessica reads 245 pages of a book, and then reads another 134 pages. Estimate how many pages she read in total by rounding to the nearest 100.
What is 300? 245 rounds to 200, 134 rounds to 100, and 200 + 100 = 300.)
Is 24 an even or odd number?
What is even?
What is the value of the digit 7 in the number 572?
What is 70?
True or False: In the addition sentence 8 + 5 = 5 + 8, the Commutative Property is used.
What is True?
Round 158 to the nearest 10 and then to the nearest 100.
What is 160, and then 200?
Use the strategy of breaking apart to solve 87 + 64.
What is 80 + 60 = 140 and 7 + 4 = 11, so 140 + 11 = 151?
Which number is odd: 18, 21, 34, or 48?
What is 21?
In the number 7,431, what place is the 4 in?
What is the hundreds place?
Which property is used in this equation? (3 + 4) + 5 = 3 + (4 + 5)
What is the Associative Property of Addition?
Tell me a number that rounds to 300 when rounded to the nearest hundred.
What is any number from 250 to 349 will round to 300 when rounding to the nearest hundred.
Lisa counted 562 beads in her jar and bought 328 more. Estimate the total number of beads she has by rounding both numbers to the nearest hundred.
What is about 900 beads?
If you add two odd numbers, is the sum even or odd?
What is even?
Samantha has 245 stickers in her collection. She receives 178 more stickers for her birthday. What is the value of the digit in the hundreds place in her total number of stickers?
Samantha has 423 stickers in total.
The digit in the hundreds place of 423 is 4.
The Identity Property says that when you add this number to any number, the sum is the same as the original number. What is this number?
What is 0?
Maria is collecting seashells. On Monday, she found 37 seashells. On Tuesday, she found 64 more seashells. About how many seashells did Maria find in total? Round each day's seashells to the nearest 10 before adding.
What is about 100 seashells?
(37 rounds to 40, 64 rounds to 60, and 40 + 60 = 100.)
Mia drove 96 miles on Friday night. On Sunday she drove 33 more miles. How many miles did she drive on Friday and Sunday?
What is 129 miles
What do all even numbers have in common when you look at the ones place?
What is they end in 0, 2, 4, 6, or 8?
If the digit 9 in the number 9,482 is moved to the ones place, what is the new number?
4,829
Rewrite the equation (5 + 6) + 14 using the Associative Property and solve both expressions to show the sums are equal.
What is 5 + (6 + 14), and both sums equal 25?
A number rounds to 200 when rounded to the nearest 100, and 250 when rounded to the nearest 10. What is the number?
What is 248?
There are 438 students at a school assembly. After lunch, 179 more students join the assembly. Use rounding to estimate how many students are at the assembly now, then solve using addition strategies.
What is about 600 students (438 rounds to 400, 179 rounds to 200, so 400 + 200 = 600), and the exact answer is 617 (438 + 179 = 617)?