Question
P2.MS.JC.18072023-A1
Find the following values without a calculator.

  1. 10 + _____ = 39
  2. 11 + _____ = 58
  3. 72 + _____ = 82
  4. 63 + _____ = 156
4 m
(a)
∑

Click ∑ button first when a symbol is required. X

(b)
∑

Click ∑ button first when a symbol is required. X

(c)
∑

Click ∑ button first when a symbol is required. X

(d)
∑

Click ∑ button first when a symbol is required. X

Symbols

Enter the numerator and denominator


Enter value


2
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STUDENT

Primary 2 MENTAL SUMS P2.MS.JC.18072023

05 Jul 2024, 03:07 AM

Find the following values without a calculator.

  1. 10 + _____ = 39
  2. 11 + _____ = 58
  3. 72 + _____ = 82
  4. 63 + _____ = 156
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