Basic Level
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Overview (0:25)
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Finding the Number of Green Toy Cars Ryan Bought (1:34)
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Practice Time
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Solution for Question 1
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Solution for Question 2
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Finding the Number of Muffins Baked by Tom (1:51)
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Practice Time
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Solution for Question 1
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Solution for Question 2
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Determining Sophie’s Total Money Before the Gift Purchase (1:26)
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Practice Time
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Solution for Question 1
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Solution for Question 2
Intermediate Level
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Overview (0:24)
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Calculating Tim's Monthly Savings (2:02)
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Practice Time
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Solution for Question 1
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Solution for Question 2
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Finding the Number of Children Who Liked Cookies (1:49)
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Practice Time
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Solution for Question 1
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Solution for Question 2
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Determining the Initial Number of Robots at the Toy Store (1:52)
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Practice Time
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Solution for Question 1
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Solution for Question 2
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Comparing the Number of Marbles Among Ben, John and David (1:31)
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Practice Time
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Solution for Question 1
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Solution for Question 2
Advanced Level
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Overview (0:23)
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Finding the Initial Number of Stickers James and Ryan Had (2:17)
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Practice Time
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Solution for Question 1
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Solution for Question 2
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Determining the Initial Number of Books Alex Had (1:36)
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Practice Time
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Solution for Question 1
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Solution for Question 2
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Equalizing the Number of Tickets Between Linda and Mike (2:14)
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Practice Time
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Solution for Question 1
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Solution for Question 2
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Determining the Total Number of Cookies Alice Baked (2:27)
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Practice Time
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Solution for Question 1
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Solution for Question 2
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Finding the Number of Beads Joy and Chloe Gave Away (2:27)
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Practice Time
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Solution for Question 1
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Solution for Question 2
Overall Revision
