Parts of the Operations
Variables
Rounding Off
Less than More than
Add and Subtract
(With Timer)
100

in 1 + 2 = 3, what operation did we use?

Addition

100

What does v equal?

v+7=10

v=3

100

Round off to the nearest tens 58.

60

100

72 more than 16

88

100

(15 seconds) 714 + 39 =

753

200

in 5 - 2 = 3, what operation did we use?

Subtraction

200

What does m equal?

20-m=14

m=6

200

Round off to the nearest tens 214

210

200

80 less than 100

20

200

(15 seconds) 528 - 357 =

171

300

in 1 + 2 = 3,What do we call "3" or the answer?

Sum / Total

300

What does x equal?

50+x=150

x=100

300

Round off to the nearest hundreds 563.

600

300

What is 927 more than 2, 989?

3,916

300

in 15 seconds ... what is 2426 + 3021 =

5447

400

in 5 - 2 = 3, what do we call "3" or the answer?

Difference

400

What does Z equal?

Z + 14 = 99

Z=85

400

Round off to the nearest hundreds 988

1,000

400

What is 162 less than 16,009

15,847

400

in 20 seconds solve, 555+666+777

1998

500

in 5 + 2 = 7, what do we call "5" and "2"?

Addends

500

What does n equal?

n+n+n=21

n=7

500

Round off the sum of 8,950+7,200 to the nearest thousands=

16,000

500

What is 16,987 less than 99,999

83,012

500

in 15 seconds, solve

5,127 - 3,562 =

1,565