Unit 4, Activities 1 and 2, Place-Value Spinner

Blackline Masters, Mathematics, Grade 2 Page 4-1

12

3

456

7

8

90

HUNDREDS

12

3

456

7

8

90

TENS

12

3

456

7

8

90

ONES

Unit 4, Activity 1, Connect 4

4-Blackline Masters, Mathematics, Grade 2 Page 4-2

Unit 4, Activity 2, Hundreds Chart

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1 2 3 4 5 6 7 8 9 10

11 12 13 14 15 16 17 18 19 20

21 22 23 24 25 26 27 28 29 30

31 32 33 34 35 36 37 38 39 40

41 42 43 44 45 46 47 48 49 50

51 52 53 54 55 56 57 58 59 60

61 62 63 64 65 66 67 68 69 70

71 72 73 74 75 75 77 78 79 80

81 82 83 84 85 86 87 88 89 90

91 92 93 94 95 96 97 98 99 100

Unit 4, Activity 3, Common Addition and Subtraction Situations

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Unit 4, Activity 3, Student Number Line (2 pages)

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0 1 2 3 4 5 6 7 8 9 10

glue

glue

glue

glue

Unit 4, Activity 3, Student Number Line (2 pages)

Blackline Masters, Mathematics, Grade 2 Page 4-6

glue

glue

glue

glue

glue

100

Unit 4, Activity 3, Four Jobs Mat

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Copy this mat on card stock, cut out, and laminate for durability.

Unit 4, Activity 3, Word Problem Cards

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1. Some ants were at a picnic. 37 more ants came. Then there were 54. How many ants were at the picnic at first?

5. There were 75 pieces of candy in a jar. The students ate some of the candy. There were 36 pieces left. How many pieces of candy were eaten?

2. Kevin has 32 fewer baseball cards than Devin. Devin has 78 baseball cards. How many baseball cards does Kevin have?

6. Jason has 58 marbles. 23 are red. The rest are blue. How many of Jason’s marbles are blue?

3. Mya has a collection of 63 silly bracelets. Niya has a collection of 46 silly bracelets. How many fewer bracelets does Niya have than Mya?

7. Brittany’s book has 95 pages. She has read 47 pages. How many pages does Brittany have left to read?

4. The teacher ordered pizza for the class. She ordered 42 slices of pepperoni. She ordered 28 slices of cheese. How many fewer slices of cheese pizza were ordered?

8. The pet store had 48 goldfish. They sold 15 goldfish. How many goldfish were not sold?

Unit 4, Activity 3, Word Problem Cards with Answer)

Blackline Masters, Mathematics, Grade 2 Page 4-9

1. Some ants were at a picnic. 37 more ants came. Then there were 54. How many ants were at the picnic at first? 54 – 37 = 17 (Add To: Start Unknown, Number Line Model 1)

5. There were 75 pieces of candy in a jar. The students ate some of the candy. There were 36 pieces left. How many pieces of candy were eaten? 75 – 36 = 39 (Take From: Change Unknown, Number Line Model 2)

2. Kevin has 32 fewer baseball cards than Devin. Devin has 78 baseball cards. How many baseball cards does Kevin have? 78 – 32 = 46 (Compare: Smaller Unknown, Number Line Model 1)

6. Jason has 58 marbles. 23 are red. The rest are blue. How many of Jason’s marbles are blue? 58 – 23 = 35 (Take Apart: Addend Unknown, Number Line Model 3)

3. Mya has a collection of 63 silly bracelets. Niya has a collection of 46 silly bracelets. How many fewer bracelets does Niya have than Mya? 63 – 46 = 17 (Compare: Difference Unknown, Number Line Model 2)

7. Brittany’s book has 95 pages. She has read 47 pages. How many pages does Brittany have left to read? 95 – 47 = 48 (Add To: Change Unknown, Number Line Model 3)

4. The teacher ordered pizza for the class. She ordered 42 slices of pepperoni. She ordered 28 slices of cheese. How many more slices of cheese pizza were ordered? 42 – 28 = 14(Compare: Difference Unknown, Number Line Model 2)

8. The pet store had 48 goldfish. They sold 15 goldfish. How many goldfish were not sold? 48 – 15 = 33 (Take From: Result Unknown, Number Line Model 1)

PRINT ON LEGAL SIZE PAPER Unit 4, Activity 3, Place-Value Mat

Blackline Masters, Mathematics, Grade 2 Page 4-10

HUNDREDS TENS ONES

Unit 4, Activity 4, Modeling Subtraction Problems

Blackline Masters, Mathematics, Grade 2 Page 4-11

1. Cole had some school shirts in his closet. His dad bought him 15 more shirts. Now he has 32 shirts. How many shirts did he have in his closet? 2. Paris has 21 school shirts in all. 14 shirts were too small so she gave them to her brother. How many shirts does she have left? 3. Brock had 70 pennies in his bank. He spent some of the money. Then he had 28 pennies left. How many pennies did he spend?

4. Jilian read 42 books for the contest. She read 28 more books than Katie. How many books did Katie read? 5. Michael walked 28 minutes for P.E. on Thursday. On Friday he walked some more. He walked 53 minutes in all. How many minutes did Michael walk on Friday? 6. In September, Ava read for 84 minutes. She read 25 fewer minutes in October. How many minutes did she read in October?

Unit 4, Activity 5, Place Value Cards

Blackline Masters, Mathematics, Grade 2 Page 4-12

1.1 0 0

6 0 0 5 0 0

8 0 0 7 0 0

4 0 0

9 0 0

3 0 0 2 0 0

1 0

5 0

4 0

8 0 7 0

3 0

6 0

2 0

9 0 9

8

6

4

2

7

3

5

1

Unit 4, Activity 5, Expanded Form Subtraction Mat

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Expanded Form Standard Form

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Unit 4, Activity 6, Subtraction Problems

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1. Blake had 32 baseball cards. He gave Jacob 19 cards. How many cards does Blake have left?

2. Alice read 41 pages this weekend in her book. She read 21 pages on

Saturday. How many pages did she read Sunday? 3. Mrs. Anne baked 48 cupcakes for the class. She put red or white icing on

the cupcakes. Sixteen cupcakes had red icing. How many cupcakes had white icing?

4. Zada has some shoes that have laces and some that don’t have laces.

Twelve of the pairs of shoes have laces. Twenty-seven pairs of shoes don’t have laces. How many more pairs of shoes don’t have laces?

5. Steven is reading a 75 page chapter book. He has 40 pages left to read.

How many pages has Steven read so far? 6. Ava sold 50 boxes of cookies. Isabella sold 38 boxes of cookies. How

many fewer boxes did Isabella sell than Ava? 7. Valerie had scored 40 points in the first round of her game. At the end of

the game she had 87 points. How many points did she score in the second round?

8. Erin had 23 more points than Kerri. Erin had 51 points. How many points

did Kerri have?

Unit 4, Activity 7, Digit Cards

Blackline Masters, Mathematics, Grade 2 Page 4-15

0 1 2 3 4 5 6 7 8 9

Unit 4, Activity 8, 0 - 9 Spinner

Blackline Masters, Mathematics, Grade 2 Page 4-16

12

3

456

7

8

90

Unit 4, Activity 8, Toy Prices

Blackline Masters, Mathematics, Grade 2 Page 4-17

$81

$32

$65 $20

$96

$48

$77

$50

$62

$19

Unit 4, Activity 9, Two-Step Word Problems (2 pages)

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1. Melody had 78¢. She bought a bracelet for 25¢ and a ring for 32¢. How much money does she have left? 2. Jason had 26 football cards. He bought 15 and his mom gave him 21 more. How many football cards does he have now?

Unit 4, Activity 9, Two-Step Word Problems (2 pages)

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3. Lisa and Gayle went to the aquarium. They saw 19 tiger sharks. They saw 14 more nurse sharks than tiger sharks. How many nurse sharks did they see and how of both kinds of sharks did they see altogether?

4. Jamie and Lydia went to the spring festival. Jamie had 35 cents to spend on a snack. Lydia had 28 cents to spend. They paid 40 cents for a bag of popcorn to share. How much money did they have left?

Unit 4, Activity 10, Basketballs and Footballs

Blackline Masters, Mathematics, Grade 2 Page 4-20