Vocabulary
A __________ is an ordered set of numbers or objects in which the order helps you predict what comes next.
pattern
7 + 3 = ?
odd number
even number
even number
56 + 32 =
Round or use compatible numbers to find the sum.
90
46 + 14 =
Use mental math strategies to find the sum.
Example:
22 + 35
22 - 2 = 20
35 + 2 = 37
20 + 37 = 57
46 + 14 =
46 - 6 = 40
14 + 6 = 20
40 + 20 = 60
Mrs. Johnson and Miss Steemken planted 35 daisies, 71 roses, and 39 tulips. About how many did they plant all together?
150
The _____________ states that when you add zero to any number, the sum is that number.
Identity Property of Addition
25 + 2 =
odd number
even number
odd number
271 + 435 =
Use rounding or compatible numbers to find the sum.
700
22 + 35 =
Use mental math strategies to find the answer.
Example:
22 + 35
22 - 2 = 20
35 + 2 = 37
20 + 37 = 57
35 + 2 = 37
20 + 37 = 57
There are 294 boys and 332 girls in the Hills School. How many students are in the school? Must label your answer!
626 students
301 + 23 =
odd number
even number
even number
325 + 127 =
Use compatible numbers or rounding to find the sum.
400
Monday's art group made 25 paper models. Tuesday's group made 32 paper models. Wednesday's group made 15 paper models. How many paper models did the groups make? Please label your answers.
72 paper models
Brooklyn collected 331 cans on Monday and twice that number on Tuesday. How many cans did she collect on Tuesday? Must label your answer.
662 cans