ISEE Primary 3 Math : Number Sense and Operations

Study concepts, example questions & explanations for ISEE Primary 3 Math

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Example Questions

Example Question #1 : Isee Primary 3 Math

Fill in the blank with the correct symbol.

\(\displaystyle 937\) __________ \(\displaystyle 947\)

Possible Answers:

\(\displaystyle >\)

\(\displaystyle =\)

\(\displaystyle < \)

Correct answer:

\(\displaystyle < \)

Explanation:

The \(\displaystyle < \) sign means less than. \(\displaystyle 937\) is less than \(\displaystyle 947\) because of the number in the tens place. \(\displaystyle 3\) is less than \(\displaystyle 4\), which makes \(\displaystyle 937\) less than \(\displaystyle 947\)

Example Question #2 : Isee Primary 3 Math

If I have \(\displaystyle 3\) quarters and \(\displaystyle 3\) pennies, how many cents do I have? 

Possible Answers:

\(\displaystyle 78\cent\)

\(\displaystyle 9\cent\)

\(\displaystyle 75\cent\)

\(\displaystyle 6\cent\)

Correct answer:

\(\displaystyle 78\cent\)

Explanation:

Each quarter is worth \(\displaystyle 25\cent\) and each penny is worth \(\displaystyle 1\cent\).

We have three quarters and three pennies. 

\(\displaystyle \frac{\begin{array}[b]{r}25\cent\\ \ 25\cent\\ +\ 25\cent\end{array}}{ \ \ \ \space 75\cent}\) \(\displaystyle \frac{\begin{array}[b]{r}1\cent\\ \ 1\cent\\ +\ 1\cent\end{array}}{ \ \ \ \space 3\cent}\)

\(\displaystyle \frac{\begin{array}[b]{r}75\cent\\ +\ 3\cent\end{array}}{ \ \ \space 78\cent}\)

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