in 1 + 2 = 3, what operation did we use?
Addition
What does v equal?
v+7=10
v=3
Round off to the nearest tens 58.
60
72 more than 16
88
(15 seconds) 714 + 39 =
753
in 5 - 2 = 3, what operation did we use?
Subtraction
What does m equal?
20-m=14
m=6
Round off to the nearest tens 214
210
80 less than 100
20
(15 seconds) 528 - 357 =
171
in 1 + 2 = 3,What do we call "3" or the answer?
Sum / Total
What does x equal?
50+x=150
x=100
Round off to the nearest hundreds 563.
600
What is 927 more than 2, 989?
3,916
in 15 seconds ... what is 2426 + 3021 =
5447
in 5 - 2 = 3, what do we call "3" or the answer?
Difference
What does Z equal?
Z + 14 = 99
Z=85
Round off to the nearest hundreds 988
1,000
What is 162 less than 16,009
15,847
in 20 seconds solve, 555+666+777
1998
in 5 + 2 = 7, what do we call "5" and "2"?
Addends
What does n equal?
n+n+n=21n=7
Round off the sum of 8,950+7,200 to the nearest thousands=
16,000
What is 16,987 less than 99,999
83,012
in 15 seconds, solve
5,127 - 3,562 =
1,565