Page 27 - NUMINO_WB_2A
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009-P4-1
1. Ricky and Jessica each have a set of marbles. Both of them lost
2 marbles marked 100, 3 marbles marked 50, and 4 marbles
marked 10. What is the sum of the numbers written on the
remaining marbles that Ricky and Jessica have left?
100 100 100 100 100
100 50 50 50 50 50 50 50
10 10 10 10 10 10 10 10 10
Ricky Jessica
Step 1. What is the sum of the numbers written on the marbles
that Ricky had before he lost?
Step 2. What is the sum of the numbers written on the marbles
that Jessica had before she lost?
Step 3. What is the sum of the numbers written on the marbles
the two students lost?
Step 4. What is the sum of the numbers written on the marbles
that are left?
1. Ricky and Jessica each have a set of marbles. Both of them lost
2 marbles marked 100, 3 marbles marked 50, and 4 marbles
marked 10. What is the sum of the numbers written on the
remaining marbles that Ricky and Jessica have left?
100 100 100 100 100
100 50 50 50 50 50 50 50
10 10 10 10 10 10 10 10 10
Ricky Jessica
Step 1. What is the sum of the numbers written on the marbles
that Ricky had before he lost?
Step 2. What is the sum of the numbers written on the marbles
that Jessica had before she lost?
Step 3. What is the sum of the numbers written on the marbles
the two students lost?
Step 4. What is the sum of the numbers written on the marbles
that are left?
