4-5th 10-20
7+9+11+13+15+17 =
What is 72?
15+5xx5=
What is 40?
24^2 - 16^2=
What is 320?
34+47+56-6-7-4=
What is 120?
If n=9, then n^2-2n+1=
What is 64?
9xx8-:6=
What is 12?
13 is to 12 as _____ is to 144?
What is 169? (squares!)
12^2 - 11^2=
What is 23? (12+11)(12-11)
18 xx 37 + 18 xx 13 =
What is 900? (order of operations!)
3/5 =_______%
What is 60%?
70xx800=
What is 56,000?
35% = _____fraction
What is
35/100 = 7/20
9^2 - 3^2 =
What is 72? (9+3)(9-3)
2/3 xx 3/8 =
What is
1/4
52xx58=
What is 3016?
Isaac bought a box of 240 paper clips. He already had a box of 75 paper clips. How many total paper clips does he have now?
What is 315?
8.21-6.95=
What is 1.26?
14^2 - 7^2 =
What is 147? (14+7)(14-7)
What number added to sixteen is sixty-one?
What is 45?
The perimeter of a square whose sides are 7 inches?
What is 28 inches?
ESTIMAETE:
123405-:333=
What is 370.59? (353-389)
If 3 eggs cost $1.17, then 1 dozen eggs cost $______?
What is $4.68?
Hint 11s trick: 38^2 - 27^2 =
What is 715? (38+27)(38-27)
203 xx 707 = (ESTIMATE)
What is 143521? (136345-150697)
Estimate: 239897-:597=
What is 401.84? (382-421)