EXT 3-6 Sampler

39 Skill Builders ©MathTeachers Press, Inc. Reproduction only for one teacher for one class. Name ____________________________________ Skill Builders 20-3 Drawing aMultiplicationFact as anArray Draw a picture.Write a number sentence. Solve. 1. There are 3 rows of lockers. Each row has 8 lockers. Howmany lockers are there? _________________________________ 2. Wally has 5 packs of pens. Each pack has 4 pens. Howmany pens are there? _________________________________ 3. There are 2 shelves. Each shelf holds 5 baskets.Outline and shade an array showing the number of baskets. 4. There are 4 rows of cars. Each row has 6 cars.Outline and shade an array showing the number of cars. Susie has 3 rows of tomatoes in her garden.There are 4 tomato plants in each row.Howmany tomato plants in all? _____ shelves _____ baskets = _____ baskets 4 + 4 + 4 = _____ or 3 4 = _____ 3 4 An array is a rectangle or squarewith nomissing corners. tomatoes _____ rows _____ cars = _____ cars You canmodel this problemwith cubes. You can also outline a picture of this fact on graph paper. This picture is called an array. 3.OA.1, 3.OA.3, 3.OA.5, 3.OA.7 ©MathTeachers Press, Inc. Reproduction only for one teacher for one class. Name ____________________________________ Skill Builders 20-1 Multiplyingby 5 Marco, Sally and Fred traced their right hands.Howmany fingers did they trace altogether? 3 groups of 5 = ______ 3 5 = ____ fingers 5 + 5 + 5 Putting together groups of equal size is calledmultiplication.The sign is for multiplication.The numbers being multiplied are called factors .The answer in amultiplication problem is called the product . Write an addition sentence and amultiplication sentence for eachproblem. Solve. 1. Howmany fingers are there? ____+____+____+____ = ____ ____ ____ = ____ 3. Gardenersmust dig 5 holes to plant trees. Each hole takes 2 hours to dig. Howmany hoursmust they work? __________ 5. Aladdin empties his 5 pockets after he escapes from the cave.He finds 8 jewels in each pocket.Howmany jewels does he have altogether? __________ 4. TheNative American tribes followed herds of animals. If a tribe followed a herd 5miles every day, howmany mileswould they travel in 9 days? __________ 6. Aladdin rubs his lamp 3 times a day andmakes awish each time. Howmany wishes does hemake in 5 days? __________ 5 3____ 15 Factors Product 2. Howmany starfish arms are there? ____+____+____+____+____ = ____ ____ ____ = ____ 3.OA.1, 3.OA.3, 3.OA.7 Grade3 Correlations toCCSS, CCSS-CA, or TEKSare shownat bottom of eachSkill Builder page in thematchingTeacherManual. Skill Builders provide extra practice forall objectives.