all#video#mental-math#arithmetic#algebra#story#geometry#fractions#number-theory#percentages#powers#combinatorics#linear-equations#sequences#statistics#roots#calculus#probability#area#speed#multi-part#money#multiplication#quadratics#logarithms#exponents#seconde#time#logic#rounding#social-arithmetic#geometric#ratio#classic
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S@sana.kLv 3#mental-math#arithmetic
Quick multiply ✖️

13×19=  ?13 \times 19 = \;?
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R@ramanujan22Lv 1#mental-math#arithmetic
Quick add ➕

21+40=  ?21 + 40 = \;?
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A@ada.lynnLv 1#mental-math#multiplication
Times table ⏩

What is 5×55 \times 5?
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L@leo.countsLv 1#mental-math#multiplication
Times table ⏩

What is 12×1012 \times 10?
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T@tessa.tLv 1#mental-math#multiplication
Times table ⏩

What is 10×1010 \times 10?
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R@ramanujan22Lv 2#mental-math#arithmetic
Quick subtract ➖

52−14=  ?52 - 14 = \;?
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S@sana.kLv 1#mental-math#rounding
Rounding 🎯

Round 806806 to the nearest 1010.
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N@niko.solvesLv 2#mental-math#arithmetic
Quick add ➕

68+88=  ?68 + 88 = \;?
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D@deriv.danLv 2#mental-math#arithmetic
Quick multiply ✖️

12×10=  ?12 \times 10 = \;?
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L@leo.countsLv 2#mental-math#arithmetic
Quick add ➕

15+77=  ?15 + 77 = \;?
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M@mika.mathLv 1#mental-math#arithmetic
Quick subtract ➖

48−28=  ?48 - 28 = \;?
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R@ramanujan22Lv 3#mental-math#arithmetic
Quick multiply ✖️

17×7=  ?17 \times 7 = \;?
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T@tessa.tLv 1#mental-math#arithmetic
Quick add ➕

41+57=  ?41 + 57 = \;?
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R@ramanujan22Lv 1#mental-math#arithmetic
Quick divide ➗

14÷2=  ?14 \div 2 = \;?
✅ 1
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A@ada.lynnLv 1#mental-math#arithmetic
Quick divide ➗

72÷12=  ?72 \div 12 = \;?
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R@ramanujan22Lv 1#mental-math#arithmetic
Quick add ➕

42+40=  ?42 + 40 = \;?
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S@sana.kLv 1#mental-math#multiplication
Times table ⏩

What is 8×88 \times 8?
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N@niko.solvesLv 1#mental-math#rounding
Rounding 🎯

Round 346346 to the nearest 1010.
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S@sana.kLv 2#mental-math#arithmetic
Quick add ➕

24+58=  ?24 + 58 = \;?
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Z@zoe_primesLv 2#mental-math#arithmetic
Quick multiply ✖️

11×5=  ?11 \times 5 = \;?
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T@tessa.tLv 1#mental-math#arithmetic
Quick divide ➗

66÷6=  ?66 \div 6 = \;?
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M@mika.mathLv 1#mental-math#arithmetic
Quick divide ➗

72÷9=  ?72 \div 9 = \;?
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T@tessa.tLv 2#mental-math#arithmetic
Quick multiply ✖️

5×7=  ?5 \times 7 = \;?
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T@tessa.tLv 2#mental-math#arithmetic
Quick subtract ➖

41−35=  ?41 - 35 = \;?
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Z@zoe_primesLv 2#mental-math#arithmetic
Quick add ➕

35+18=  ?35 + 18 = \;?
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M@mr.deanLv 2#mental-math#arithmetic#multi-part
🧮 Quick arithmetic — evaluate each:
45+55=45 + 55 =
1000−250=1000 - 250 =
60×5=60 \times 5 =
144÷12=144 \div 12 =
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M@mika.mathLv 1#mental-math#rounding
Rounding 🎯

Round 861861 to the nearest 100100.
✅ 1
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N@niko.solvesLv 2#mental-math#arithmetic
Quick subtract ➖

34−19=  ?34 - 19 = \;?
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D@deriv.danLv 2#mental-math#arithmetic
Quick subtract ➖

81−74=  ?81 - 74 = \;?
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A@ada.lynnLv 2#mental-math#arithmetic
Quick multiply ✖️

10×5=  ?10 \times 5 = \;?
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N@niko.solvesLv 2#mental-math#arithmetic
Quick multiply ✖️

11×3=  ?11 \times 3 = \;?
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P@pixel.patLv 1#mental-math#arithmetic
Quick add ➕

52+15=  ?52 + 15 = \;?
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P@pixel.patLv 1#mental-math#arithmetic
Quick divide ➗

88÷8=  ?88 \div 8 = \;?
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P@pixel.patLv 1#mental-math#arithmetic
Quick add ➕

40+25=  ?40 + 25 = \;?
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A@ada.lynnLv 1#mental-math#arithmetic
Quick add ➕

16+12=  ?16 + 12 = \;?
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P@pixel.patLv 2#mental-math#arithmetic
Quick subtract ➖

84−36=  ?84 - 36 = \;?
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P@pixel.patLv 1#mental-math#arithmetic
Quick divide ➗

48÷6=  ?48 \div 6 = \;?
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R@ramanujan22Lv 1#mental-math#multiplication
Times table ⏩

What is 7×127 \times 12?
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M@mika.mathLv 2#mental-math#arithmetic
Quick subtract ➖

80−52=  ?80 - 52 = \;?
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L@leo.countsLv 2#mental-math#arithmetic
Quick add ➕

44+77=  ?44 + 77 = \;?
✅ 1
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N@niko.solvesLv 1#mental-math#arithmetic
Quick divide ➗

18÷3=  ?18 \div 3 = \;?
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M@math.classLv 3#mental-math#multiplication#multi-part
✖️ Times tables — evaluate each:
12×12=12 \times 12 =
13×4=13 \times 4 =
15×6=15 \times 6 =
25×8=25 \times 8 =
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L@leo.countsLv 3#mental-math#arithmetic
Quick multiply ✖️

12×15=  ?12 \times 15 = \;?
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D@deriv.danLv 1#mental-math#arithmetic
Quick divide ➗

110÷11=  ?110 \div 11 = \;?
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D@deriv.danLv 1#mental-math#rounding
Rounding 🎯

Round 387387 to the nearest 100100.
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S@sana.kLv 1#mental-math#arithmetic
Quick divide ➗

30÷6=  ?30 \div 6 = \;?
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P@pixel.patLv 1#mental-math#rounding
Rounding 🎯

Round 297297 to the nearest 1010.
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S@sana.kLv 2#mental-math#arithmetic
Quick subtract ➖

48−19=  ?48 - 19 = \;?
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M@mika.mathLv 2#mental-math#arithmetic
Quick multiply ✖️

3×8=  ?3 \times 8 = \;?
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Z@zoe_primesLv 1#mental-math#rounding
Rounding 🎯

Round 722722 to the nearest 100100.
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N@niko.solvesLv 2#mental-math#arithmetic
Quick multiply ✖️

6×4=  ?6 \times 4 = \;?
✅ 0
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S@sana.kLv 1#mental-math#arithmetic
Quick divide ➗

84÷7=  ?84 \div 7 = \;?
✅ 0
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D@deriv.danLv 2#mental-math#arithmetic
Quick multiply ✖️

11×8=  ?11 \times 8 = \;?
✅ 0
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R@ramanujan22Lv 1#mental-math#arithmetic
Quick divide ➗

22÷11=  ?22 \div 11 = \;?
✅ 0
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T@tessa.tLv 1#mental-math#arithmetic
Quick subtract ➖

63−22=  ?63 - 22 = \;?
✅ 0
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S@sana.kLv 1#mental-math#arithmetic
Quick add ➕

23+66=  ?23 + 66 = \;?
✅ 0
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Z@zoe_primesLv 2#mental-math#arithmetic
Quick subtract ➖

90−89=  ?90 - 89 = \;?
✅ 0
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R@ramanujan22Lv 1#mental-math#rounding
Rounding 🎯

Round 866866 to the nearest 100100.
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A@ada.lynnLv 2#mental-math#arithmetic
Quick subtract ➖

55−48=  ?55 - 48 = \;?
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L@leo.countsLv 2#mental-math#arithmetic
Quick subtract ➖

97−69=  ?97 - 69 = \;?
✅ 0
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L@leo.countsLv 1#mental-math#arithmetic
Quick divide ➗

64÷8=  ?64 \div 8 = \;?
✅ 0
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N@niko.solvesLv 1#mental-math#arithmetic
Quick add ➕

28+21=  ?28 + 21 = \;?
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L@leo.countsLv 1#mental-math#arithmetic
Quick subtract ➖

39−35=  ?39 - 35 = \;?
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Z@zoe_primesLv 3#mental-math#arithmetic
Quick multiply ✖️

8×13=  ?8 \times 13 = \;?
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M@mr.deanLv 3#mental-math#arithmetic#multi-part
🔢 Order of operations — evaluate each, in order:
2+3×4=2 + 3 \times 4 =
(2+3)×4=(2 + 3) \times 4 =
20−12÷4=20 - 12 \div 4 =
2×32=2 \times 3^2 =
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Z@zoe_primesLv 2#mental-math#arithmetic
Quick subtract ➖

30−11=  ?30 - 11 = \;?
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D@deriv.danLv 2#mental-math#arithmetic
Quick subtract ➖

31−17=  ?31 - 17 = \;?
✅ 0
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L@leo.countsLv 1#mental-math#rounding
Rounding 🎯

Round 8585 to the nearest 1010.
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M@mika.mathLv 1#mental-math#arithmetic
Quick add ➕

31+71=  ?31 + 71 = \;?
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Z@zoe_primesLv 1#mental-math#multiplication
Times table ⏩

What is 9×109 \times 10?
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A@ada.lynnLv 1#mental-math#multiplication
Times table ⏩

What is 8×48 \times 4?
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S@sana.kLv 2#mental-math#arithmetic
Quick multiply ✖️

9×9=  ?9 \times 9 = \;?
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M@mr.deanLv 3#mental-math#multi-part
🔁 Double and halve — evaluate each:
2×64=2 \times 64 =
128÷2=128 \div 2 =
2×256=2 \times 256 =
1000÷8=1000 \div 8 =
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N@niko.solvesLv 1#mental-math#arithmetic
Quick divide ➗

8÷2=  ?8 \div 2 = \;?
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L@leo.countsLv 1#mental-math#arithmetic
Quick divide ➗

70÷10=  ?70 \div 10 = \;?
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M@mika.mathLv 1#mental-math#arithmetic
Quick add ➕

42+41=  ?42 + 41 = \;?
✅ 0
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P@pixel.patLv 1#mental-math#multiplication
Times table ⏩

What is 12×512 \times 5?
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N@niko.solvesLv 1#mental-math#multiplication
Times table ⏩

What is 3×93 \times 9?
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T@tessa.tLv 3#mental-math#arithmetic
Quick multiply ✖️

4×19=  ?4 \times 19 = \;?
✅ 0
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T@tessa.tLv 1#mental-math#rounding
Rounding 🎯

Round 516516 to the nearest 100100.