Number (add/sub)
Hong Kong
Stage 2
Rewriting addition problems
Interactive practice questions
Consider $33$33 and $27$27.
a
What is the highest common factor of these two numbers?
b
Complete the gaps such that $33+27$33+27 is rewritten as an equivalent multiplication using the distributive property.
| $33+27$33+27 | $=$= | $3\times\left(\editable{}+9\right)$3×(+9) |
| $=$= | $\editable{}\times20$×20 |
Easy
2min
Consider $77$77 and $143$143.
Easy
1min
Consider the sum of $42$42 and $39$39.
Easy
1min
Given $6\left(7+4\right)+4\left(7+4\right)$6(7+4)+4(7+4):
Easy
2min
Sign up to access Practice Questions
Get full access to our content with a Mathspace account