By definition
By word
By example
Solve it- Rounding
Solve it-missing part
100
the answer to an addition problem
What is sum
100
estimating
What is 'to give a number (guess) close to the original'
100
What property of addition is shown? 5+4=9 4+5=9
What is Order property
100
Round to the nearest ten: 62
What is 60
100
Solve for n 9+n=10
What is 1
200
the answer to a subtraction problem
What is difference
200
equation
What is 'a number sentence that uses (=) to show equal parts on both sides
200
What property of addition is shown? 9+0=9
What is 'Zero Property'
200
Round to the nearest 10 78
What is 80
200
Solve for n 10+n=12
What is 2
300
name for two numbers added together
What is addends
300
Zero Property of addition
What is 'any number plus zero is that number'
300
What property of addition is shown? (3+1)+4= 8 (4+1)+3=8
What is Grouping Property
300
Round to the nearest hundred 342
What is 300
300
Solve for n n+9=13
What is 4
400
Numbers can be grouped in any way and the sum will remain the same
What is grouping property
400
Order property
What is 'adding numbers in any order will not change the sum'
400
What is this called? 3+1=4 1+3=4 4-1+3 4-3+1
What is 'fact family'
400
Round to the nearest hundred 782
What is 800
400
Solve for n 18= n+11
What is 7
500
to replace a number with a number that is close
What is rounding
500
compatible numbers
What is 'numbers that are easy to add or subtract'
500
What is this called? 5+2=7
What is 'equation'
500
Round to the nearest hundred 984
What is 1,000
500
Solve for n 23= 18+n
What is 5
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