Problem set #6.
1) Daniella has 42 beads. She wants to make necklaces with 10 beads on each necklace. How many necklaces can she make?
2) Jack has 30 cents. Emilio gives him 52 cents. How much money does Jack have now? What could he buy with this much money?
3) Sunny has 11 packages of cookies. Each package has 10 cookies in it. She also has 5 extra cookies. How many cookies does she have in all?
I’m still using multiples of tens in the problems. (And no one yet as asked me why we work with multiples of 10 every week; a sure sign that we need to keep working with multiplies of 10 because the children don’t differentiate them, as a class of numbers, from other numbers.) I put bigger numbers here hoping that using individual tallies for all the objects would get tedious. And it did, for some.
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