Survey
* Your assessment is very important for improving the workof artificial intelligence, which forms the content of this project
* Your assessment is very important for improving the workof artificial intelligence, which forms the content of this project
All About Arrays Objective: Students will be able to use repeated addition and arrays to correctly multiply 1-digit numbers Click on the screen to watch a movie about arrays. Move to the next slide to see if you are correct _______ + __________ + ___________ + __________= _______ _____________ x ________________ = ______________ __2____ + ____2______ + __2_________ + ______2____= _____8__ ______2_______ x ________4________ = _______8_______ 5 + 5 + 5 =15 3 x 5 = 15 Move the next Move theto magic wand slideover to the seesunif toyou check your answers. are correct _______ + __________ + ___________ + = __________ _____________ x ________________ = ______________ 5 + 5 + 5 =15 3 x 5 = 15 ___5____ + _____5_____ + ____5_______ + = ____15______ ____5_________ x __3 = ___15___________ 4 + 4 + 4 = 12 3 x 4 = 12 Move the next Move theto magic wand over the sun to slide to see if you check your answers. are correct _______ + __________ + ___________ = __________ _____________ x ________________ = ______________ 4 + 4 + 4 = 12 3 x 4 = 12 ___4____ + ____4______ + ____4_______ = ___12_______ ___4__________ x ______3__________ = _______12_______ 2+2+2=6 2 x 3=6 Move the next Move theto magic wand over the sun to slide to see if you check your answers. are correct _______ + __________ + ___________ = __________ _____________ x ________________ = ______________ 2+2+2=6 2 x 3=6 Move the next Move theto magic wand over the sun to slide to see if you check your answers. are correct ____2___ + ___2_____ + ____2____ = ____6______ ____2______ x ____3_________ = _______6_____ Draw an array for each multiplication problem. 4 x 2 = _____ 3 x 5 = _____ 3 x 4 = _____ 6 x 2 = _____ Lee plants a garden with 3 columns of flowers. There are 4 rows of flowers. How many flowers does he have in all? _______ (Hint: Draw an array to help you solve the problem.) What multiplication problem does this array show? 2 3 4 5 6 7 8 9 10 21 22 23 24 25 26 27 28 29 30 11 12 14 8 = 6 = 2 3 15 16 17 d. ) c. ) b. ) 13 25% x2 = 2x 5 x5 6 1 25% 10 =3 0 6 x 5 = 30 2 x 5 = 10 3x2=6 4x2=8 a. ) a.) b.) c.) d.) 25% 4x 25% 18 19 20 What multiplication problem does this array show? 1 2 3 4 5 6 7 8 9 10 21 22 23 24 25 26 27 28 29 30 11 12 14 6 = 3 = 2x 4 4x x6 13 25% 16 25% 3 x5 =1 0 2 x 5 = 10 3 x 6 = 18 4 x 4 = 16 2x3=6 2 1. 2. 3. 4. 25% =1 8 25% 15 16 17 18 19 20 What multiplication problem does this array show? 1 2 21 22 3 4 5 6 7 8 9 10 23 24 25 26 27 28 29 30 11 12 14 6 = 4x 2x 4 3 = =1 8 x6 13 25% 16 25% 3 x5 2 x 5 = 10 3 x 6 = 18 4 x 4 = 16 2x3=6 2 1. 2. 3. 4. 25% =1 0 25% 15 16 17 18 19 20 What multiplication problem does this array show? 1 2 21 22 3 4 5 6 7 8 9 10 23 24 25 26 27 28 29 30 11 12 13 15 = 3 2x 1 4x 3 14 6 4 = =9 x3 =1 0 x5 2 x 5 = 10 3x3=9 4x1= 4 2x3=6 2 1. 2. 3. 4. 25% 25% 25% 25% 16 17 18 19 20 What multiplication problem does this array show? 1 2 21 22 3 4 5 6 7 8 9 10 23 24 25 26 27 28 29 30 11 12 14 15 = 3 2x 2x 3 13 6 16 8= =1 8 x6 =1 0 x5 2 x 5 = 10 3 x 6 = 18 2 x 8= 16 2x3=6 2 1. 2. 3. 4. 25% 25% 25% 25% 16 17 18 19 20