Transcript trial_and_improvement_with_calculator_starter

Trial
and
Improvement
Practice
© T Madas
Find 2 consecutive
which add up to 76
odd
numbers
37 + 39 = 76
Find 2 consecutive prime numbers
less than 50 which add up to 90
43 + 47 = 90
Find 2 consecutive numbers which
multiply to 812
28 x 29 = 812
© T Madas
Find 2 consecutive even numbers
which add up to 134
66 + 68 = 134
Find 2 consecutive prime numbers
less than 50 which multiply to 667
23 x 29 = 667
Find 3 consecutive numbers which
multiply to 1320
10 x 11 x 12 = 1320
© T Madas
Find 3 consecutive
which add up to 159
odd
numbers
51 + 53 + 55 = 159
Find 2 consecutive prime numbers
less than 100 which add up to 128
61 + 67 = 128
Find 3 consecutive even numbers
which multiply to 5760
16 x 18 x 20 = 5760
© T Madas
Find 3 consecutive odd numbers
which add up to 237
77 + 79 + 81 = 237
Find 3 consecutive prime numbers
less than 100 which add up to 223
71 + 73 + 79 = 223
Find 3 consecutive multiples of 3
which multiply to 812
27 x 30 x 33 = 26730
© T Madas
Find a number that its square added
to its cube gives 1872
122 + 123 = 1872
Find a number whose square root
doubled gives 42
2 x √441 = 42
Find 2 consecutive numbers whose
squares add up to 2813
372 + 382 = 2813
© T Madas
Find a number that its square plus its
square root gives 4104
642 + √64 = 4104
Find a number whose square root
halved and then multiplied by 5 gives
105
√1764 ÷ 2 x 5 = 105
Find a number such that its square
multiplied by its cube gives 537824
142 x 143 = 537824
© T Madas
Find a number that its square added
to its cube gives 7.803
1.72 + 1.73 = 7.803
Find a number whose square root
multiplied by its square gives 7776
√36 x 362 = 7776
Find 2 numbers differing by 1 whose
squares add up to 56.68
4.82 + 5.82 = 56.68
© T Madas
Trial
and
Improvement
Quick Test
© T Madas
Find 2 consecutive
which add up to 76
odd
numbers
37 + 39 = 76
Find 2 consecutive prime numbers
less than 50 which add up to 90
43 + 47 = 88
Find 2 consecutive numbers which
multiply to 812
28 x 29 = 812
© T Madas
Find 2 consecutive even numbers
which add up to 134
66 + 68 = 134
Find 2 consecutive prime numbers
less than 50 which multiply to 667
23 x 29 = 667
Find 3 consecutive numbers which
multiply to 1320
10 x 11 x 12 = 1320
© T Madas
Find 3 consecutive
which add up to 159
odd
numbers
51 + 53 + 55 = 159
Find 2 consecutive prime numbers
less than 100 which add up to 128
61 + 67 = 128
Find 3 consecutive even numbers
which multiply to 5760
16 x 18 x 20 = 5760
© T Madas
Find 3 consecutive odd numbers
which add up to 237
77 + 79 + 81 = 237
Find 3 consecutive prime numbers
less than 100 which add up to 223
71 + 73 + 79 = 223
Find 3 consecutive multiples of 3
which multiply to 812
27 x 30 x 33 = 26730
© T Madas
Find a number that its square added
to its cube gives 1872
122 + 123 = 1872
Find a number whose square root
doubled gives 42
2 x √441 = 42
Find 2 consecutive numbers whose
squares add up to 2813
372 + 382 = 2813
© T Madas
Find a number that its square plus its
square root gives 4104
642 + √64 = 4104
Find a number whose square root
halved and then multiplied by 5 gives
105
√1764 ÷ 2 x 5 = 105
Find a number such that its square
multiplied by its cube gives 537824
142 x 143 = 537824
© T Madas
Find a number that its square added
to its cube gives 7.803
1.72 + 1.73 = 7.803
Find a number whose square root
multiplied by its square gives 7776
√36 x 362 = 7776
Find 2 numbers differing by 1 whose
squares add up to 56.68
4.82 + 5.82 = 56.68
© T Madas
© T Madas