A repeating or growing sequence that follows a rule
a. round
b. pattern
c. estimate
d. Associative Property of Addition
What is pattern?
100
19+54=
What is solve=73 and estimate=70
100
Katelyn read two books last week. One book has 216 pages. The other book has 327 pages. Altogether how many pages are in the two books
What is 543?
200
8+3=
What is 11?
200
21+19=
What is 40?
200
A number close to an exact amount?
a. round
b. estimate
c. Identity Property of Addition
d. Associative Property of Addition
What is estimate?
200
39+42=
What is estimate=80 and solve=81?
200
One skeleton in a museum has 189 bones. Another skeleton has 232 bones. How many bones in all are in the two skeletons?
What is 421?
300
12+5=
What is 17?
300
49+23=
What is 72?
300
To replace a number with another number that tells "about" how many or "about" how much
a. pattern
b. Associative Property of Addition
c. Identity Property of Addition
d. round
What is round?
300
267+517=
What is estimate=800 and solve=787?
300
What is the sum of 421 and 332?
What is 753?
400
14+5=
What is 19?
400
18+39+32=
What is 89?
400
The property that states that you can add two or more numbers in any order and get the same sum.
a. estimate
b. Commutative Property of Addition
c. round
d. Identity Property of Addition
What is Commutative Property of Addition?
400
817+118=
What is estimate=900 and solve=935?
400
There are 167 students in the third grade. The same number of students is in the fourth grade. How many students are there in all?
What is 334?
500
14+5=
What is 19?
500
33+71+56+29=
What is 189?
500
The property that states that the sum of any number and zero is that number.
a. estimate
b. Identity Property of Addition
c. Commutative Property of Addition
d. pattern
What is Identity Property of Addition?
500
291+420=
What is solve 711 and estimate 700?
500
Jonathan read a book with 128 pages. Then he read a book with 179 pages. How many pages did Jamal read in all?