Addition
28+9=?
37
Round 37 to the nearest tens
40
28 __ 87
28 < 87
Write twenty-two in standard form
22
What is a digit?
Any symbol used to write whole numbers
33+28=?
61
Round 93 to the nearest tens
90
59 __ 63
59 < 63
Write 46 in word form
Fourty-six
What is rounding?
To change the value of a number to one that is easier to work with
67+52=?
119
Round 234 to the nearest tens
230
86 __ 85
86 > 85
Write 123 in expanded form
100+20+3
What is place value?
The value given to a digit by its place in a number
243+186=?
429
Round 583 to the nearest hundreds
600
786 __ 482
786 > 482
Write one thousand, two hundred sixty-six in standard form
1,266
What is an addend?
The digit being added in an addition sentence.
861+928=?
1,789
Round 1,438 to the nearest hundreds
1,400
1,223 __ 1,322
1,223 < 1,322
Write 2,100 in word form
Two thousand, one hundred
What is a sum?
The answer in an addition problem.