# NS3-29 Skip Counting By 2s And 4s - Angirrami

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NS3-29 Skip Counting by 2s and 4sYou can skip count forwards by 2s starting at 0. Add 2 each time.0 2,2 2,4 2,6 2,8 2,101. Skip count by 2s.a) 12, 14, 16,    ,    ,b) 42, 44, 46,    ,    ,c) 68, 70, 72,    ,    ,d) 80, 82, 84,    ,    ,e) 54, 56, 58,    ,    ,f ) 88, 90, 92,    ,    ,2. Add. Use skip counting to keep track.a) 2 2 2 c) 32 2 2b) 2 2 2 2 22 2 2 You can skip count forwards by 4s starting at 0. Add 4 each time.0 4,4 4,8 4,12 4,16 4,203. Skip count by 4s. 4COPYRIGHT 2016 JUMP MATH: NOT TO BE COPIED.a) 4, 48, 412,      ,      , 4b) 20, 424,28,      ,      ,You can skip count by 4s a different way. Skip count by 2s. Circle every second number.      0 , 2 , 4 , 6 , 84. Use the new way to skip count by 4s.8 , 10 , 12 , 14 , 16 , 18 , 20 ,      ,      ,      ,      ,      ,      ,      ,Number Sense 3-29 157

5. The chart shows the numbers you say when skip counting by 4s.The first two numbers have 0s added.040812162024283236404448525660Describe any patterns you see in the columns of the chart.6. Add by skip counting by 4s.a) 4 4 4 4 b) 64 4 4 4 7. Ben skip counts by 2s or 4s. Write the number he counts by.Fill in the missing numbers.81014b)He counts by    .c)1622d)He counts by    .e)404452f)He counts by    .816He counts by    .2436He counts by    .6874He counts by    .8. Tasha starts at 0 and skip counts by 4s. Are the numbers she saysall even? Explain.158 Number Sense 3-29COPYRIGHT 2016 JUMP MATH: NOT TO BE COPIED.a)

NS3-30 Skip Counting by 5s and 10s1. Underline the ones digit of the numbers you say when skip counting by 5s.a) 5 , 10 , 15 , 20 , 25 , 30Write the pattern in the ones digits. 5 , 0 ,    ,    ,    ,b) 35 , 40 , 45 , 50 , 55 , 60Write the pattern in the ones digits.    ,    ,    ,    ,    ,2. Circle the numbers you say when skip counting by 5s starting at 80  85  33  95  143. Add by skip counting by 5s.a) 5 5 54. a) Skip count by 10s. 5 b) 65 5 5 5 0 , 10 , 20 ,    ,    ,    ,    ,    ,b) Describe any patterns you see in the ones and tens digits.5. Amir skip counts by 5s or 10s. Write the number he counts by.Fill in the missing numbers.a)152545b)He counts by    .COPYRIGHT 2016 JUMP MATH: NOT TO BE COPIED.c)7590d)He counts by    .e)455475f)He counts by    .3545He counts by    .270290He counts by    .560570He counts by    .6. Explain how you knew which numbers to circle in Question 2.Number Sense 3-30 159

NS3-31 Skip Counting by 3s1. Skip count forwards by 3s. 30, 33, 36,9,    ,    ,    ,    ,    ,2. Add the numbers. Skip count to keep track.a) 3 3 3 3 b) 3 3 3 3 3 3 3. Count by 3s.a) wheels on tricyclesb) sides of triangles3   ,6   ,3,6,      ,      ,      ,You say the multiples of 3 when you skip count by 3s starting at 0.0, 3, 6, 9, 12, and so on are multiples of 3.030609121518212427303336Describe any patterns you see in the columns.Hint: Look at the ones digits and the tens digits.160 Number Sense 3-31COPYRIGHT 2016 JUMP MATH: NOT TO BE COPIED.4. The chart shows some multiples of 3. The first three numbershave a 0 in the tens place.

5. The chart shows more multiples of 3.Look at the ones digits and the tens digits.Describe any patterns you see in the columns.303336394245485154576063666. Add by skip counting by 3s.a) 45 3 3 3 b) 60 3 3 3 7. Karen skip counts by 2s, 3s, 4s, or 5s. Write the number she counts by.Fill in the missing numbers.a)203035b)She counts by    .c)915d)She counts by    .COPYRIGHT 2016 JUMP MATH: NOT TO BE COPIED.e)4055f)She counts by    .4810She counts by    .222628She counts by    .1224She counts by    .8. Ben counts by 3s. What mistakes does he make?a) 3, 6, 12, 15, 17, 21BONUSb) 36, 39, 42, 48, 51, 55, 5866, 63, 60, 58, 55, 51, 45, 42Number Sense 3-31 161

NS3-32 Multiplication and Repeated AdditionWe use multiplication as a short way to write addition of the same number.4 3 3 3 3 3add 3 four timesThis is repeated addition.1. Complete the number sentence using repeated addition.a) 4 2 2 2 2 2b) 3 2 c) 3 4 d) 4 5 e) 2 3 f) 1 5 g) 5 2 h) 3 5 j) 4 7 i) 2 10 2. Complete the number sentence using multiplication.a) 2 2 2 3 2b) 4 4 c) 6 6 6 d) 3 3 3 e) 9 9 9 f) 7 7 7 7 7 g) 8 8 8 8 h) 5 5 5 5 5 5 i) 4 4 4 4 j) 1 1 1 100 100 100 100 100 100 100 3. Circle the additions that cannot be written as multiplications.162 2 2 2 23 4 3 3 32 5 77 7 7 74 4 4 4 49 9 9 9 95 5 5 86 6 617 17 17101 101 1014 4 9 43 3Number Sense 3-32COPYRIGHT 2016 JUMP MATH: NOT TO BE COPIED.BONUS

4. Write an addition sentence. Then write a multiplication sentence.a) 3 boxes2 pencils in each boxb) 4 boxes   5 pencils in each box2 2 2 63 2 6c) 2 boxes   4 pencils in each boxd) 3 boxes   3 pencils in each box5. Write a multiplication sentence.a) 3 boxes   4 plums in each box3 4 12b) 4 boxes   6 apples in each boxc) 3 boxes   5 pens in each boxd) 5 boxes   10 crayons in each boxCOPYRIGHT 2016 JUMP MATH: NOT TO BE COPIED.6. Draw a picture for the number sentence. Finish the number sentence.a) 2 2 2 2 b) 3 3 3 3 c) 4 4 4 d) 6 6 Number Sense 3-32 163

NS3-33 Multiplication and Equal GroupsShow equal groups of objects. Use big circles for the groups. Use dots for the objects.4 groups of 31. Write what the picture shows.a) b)groups ofgroups of2. Draw equal groups. Use big circles for the groups and dots for the objects.a) 4 groups of 2b) 3 groups of 43. Write an addition sentence for the picture. Then writea multiplication sentence.a) b)groups of242 2 2 2    groups of 4 2    c) d)4groups of 164 4groups of Number Sense 3-33COPYRIGHT 2016 JUMP MATH: NOT TO BE COPIED.4

4. Draw a picture. Then write a multiplication sentence. Find the totalnumber of dots.a) 3 groups of 5b) 2 groups of 6big circlesbig circlesdots in a circledots in a circle3 5 15c) 5 groups of 4d) 6 groups of 3big circlesbig circlesdots in a circledots in a circlee) 2 groups of 4f ) 3 groups of 3COPYRIGHT 2016 JUMP MATH: NOT TO BE COPIED.big circlesbig circlesdots in a circledots in a circleg) 4 groups of 3h) 5 groups of 2big circlesbig circlesdots in a circledots in a circleNumber Sense 3-33 165

You can draw a picture for a multiplication sentence.number of big circles3 4 12total number of dotsnumber of dots in a circle5. How many big circles? How many dots in a circle? Draw the pictureand finish the multiplication sentence.a) 3 2 b) 2 3 big circlesbig circlesdots in a circledots in a circlec) 4 2 d) 5 3 big circlesbig circlesdots in a circledots in a circle6. Draw dots and circles to show the problem. Write a multiplicationsentence to solve it.b) Ava is planning a soccer tournament. She has 4 teams with6 players on each team. How many players are there in total?c) A canoe can hold 3 people. How many people can4 canoes hold?7. Make a problem for the multiplication. Draw dots and circles to showthe problem. Write the multiplication sentence to solve the problem.a) 2 3166 b) 4 5c) 2 5d) 3 10Number Sense 3-33COPYRIGHT 2016 JUMP MATH: NOT TO BE COPIED.a) Lewis needs lemons for his lemonade stand. He buys 3 bags with6 lemons in each bag. How many lemons does he buy in total?

NS3-30 Skip Counting by 5s and 10s 1. Underline the ones digit of the numbers you say when skip counting by 5s. a) 5 , 10 , 15 , 20 , 25 , 30 Write the pattern in the ones digits. 5 , 0 , , , , b)35 , 40 , 45 , 50 , 55 , 60 Write the pattern in the ones digits. , , , , , 2. Circle the numbers you say