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How could you get close to the target?
How could you use rounding and estimation to help?
You might like to start by working on the level 1 and 2 problems initially, and then comparing your answer to the available solutions.
Lolla bought a balloon at the circus. She gave the clown six coins to pay for it. What could Lolla have paid for the balloon?
There are four equal weights on one side of the scale and an apple on the other side. What can you say that is true about the apple and the weights from the picture?