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Primary 3 | Maths
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With the Guess and check model please help
Date Posted: 5 years ago
Views: 540
1 x $1 coin, 8 x 50¢ coin
$1 x 1 = $1
8 x 50¢ = 400¢ = $4
Total = $1 + $4 = $5 (wrong)
2 x $1 coin,16 x 50¢ coin
$1 x 2 = $2
16 x 50¢ = 800¢ = $8
Total = $2 + $8 = $10 (wrong)
5 x $1 coin, 40 x 50¢ coin
$1 x 5 = $5
40 x 50¢ = 2000¢ = $20
Total = $5 + $20 = $25 (wrong)
6 x $1 coin,48 x 50¢ coin
$1 x 6 = $6
48 x 50¢ = 2400¢ = $24
Total = $6 + $24 = $30 (correct)
$1 x 1 = $1
8 x 50¢ = 400¢ = $4
Total = $1 + $4 = $5 (wrong)
2 x $1 coin,16 x 50¢ coin
$1 x 2 = $2
16 x 50¢ = 800¢ = $8
Total = $2 + $8 = $10 (wrong)
5 x $1 coin, 40 x 50¢ coin
$1 x 5 = $5
40 x 50¢ = 2000¢ = $20
Total = $5 + $20 = $25 (wrong)
6 x $1 coin,48 x 50¢ coin
$1 x 6 = $6
48 x 50¢ = 2400¢ = $24
Total = $6 + $24 = $30 (correct)
See 1 Answer
done
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$1= 6,$0.50=48
Date Posted:
5 years ago
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