Division with a remainder by 10 and 100
Divide with a remainder by 10 and 100 by covering digits on the right, and divide numbers ending in zeros by striking out the same number of zeros. Ukrainian grade 4.
- فلسطين: الصف ٣
- أوكرانيا: الصف ٤
- روسيا: الصف ٤
- ألمانيا: الصف ٤
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الدليل
A studio for Ukrainian grade 4 (the NUS textbook sections on written division and «We divide numbers ending in zeros»). When we divide by 10 with a remainder, we bundle the ones in tens. The number of whole tens is the incomplete quotient and what is left is the remainder: ٣٢ : ١٠ = ٣ (rem. 2).
The rule for writing: to divide with a remainder by 10 (by 100), cover one (two) digits on the right. The number left on the left is the incomplete quotient, the covered digits are the remainder. So ٥٦٣ : ١٠ = ٥٦ (rem. 3) and ٨٣٤ : ١٠٠ = ٨ (rem. 34).
To divide a number ending in zeros by a number with zeros, strike out the same number of zeros in both: ٤٦٣٨٠ : ٦٠ = ٤٦٣٨ : ٦. The remainder is always less than the divisor.