BUILD FLUENCY. EARN YOUR ASCENT.Sign in Year 1
Use pictures, make-ten, counting and part-whole strategies within 20.
Free examples and worked answers. No account needed.
Practise the method.
Use pictures, make-ten, counting and part-whole strategies within 20.
Use pictures, make-ten, counting and part-whole strategies within 20.
Example 1
What number is missing? 3+ ? =6
Show worked answer
Answer: 3
- The whole is 6; one part is 3.
- 6−3=3, so 3+3=6.
Example 2
How many blue and gold counters are there altogether?
Two partsShow worked answer
Answer: 13
- The parts are 6 and 7.
- Join them: 6+7=13.
Example 3
What number is missing? 12+ ? =16
Show worked answer
Answer: 4
- The whole is 16; one part is 12.
- 16−12=4, so 12+4=16.
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