8 Just the Same Adding 2-digit numbers Animal Families Subtracting 2-digit numbers without regrouping.. 18 Crack the Numbers Regrouping review— tens to ones.. 25 Tool Time Adding/subt
Trang 2The Most Trusted Name In Learning ®
The Most Trusted Name In Learning ®
GRADE 2
Trang 3Scholastic Inc grants teachers permission to photocopy the reproducible pages from this book for classroom use
No other part of this publication may be reproduced in whole or in part, or stored in a retrieval system,
or transmitted in any form or by any means, electronic, mechanical, photocopying, recording,
or otherwise without written permission of the publisher For information regarding permission,
write to Scholastic Inc., 557 Broadway, New York, NY 10012.
Written by Danette Randolph Cover design by Ka-Yeon Kim-Li Interior illustrations by Carol Tiernon Interior design by Quack & Company ISBN-13 978-0-545-20097-4 ISBN-10 0-545-20097-0 Copyright © 2002, 2010 Scholastic Inc.
All rights reserved Printed in the U.S.A.
1 2 3 4 5 6 7 8 9 10 40 17 16 15 14 13 12 11 10
State Standards Correlations
To find out how this book helps you meet your state’s standards,
Trang 4Introduction
Parents and teachers alike will find Addition & Subtraction to be a valuable learning tool Children will
enjoy completing a wide variety of math activities that are both engaging and educational Take a look at the Table of Contents and you will feel rewarded providing such a valuable resource for your children
Table of Contents
Spell It Out (Adding to 10) 4
Beautiful Bouquets (Subtracting from 10) 5
Crazy Creatures (Adding/subtracting through 18) 6
Can You See It? (Adding/subtracting through 18) 7
Counting on Good Manners (Adding 2-digit
numbers without regrouping) 8
Just the Same (Adding 2-digit numbers
Animal Families (Subtracting 2-digit
numbers without regrouping) 13
Triple the Fun (Adding three addends) 14
A Great Catch (Regrouping review—
ones to tens) 15
Don’t Forget Your Keys (Adding 2-digit
numbers with regrouping) 16
Treasure of a Book (Adding 2-digit
numbers with regrouping) 17
How Do We Get There? (Adding 2-digit numbers
with regrouping—multiple addends) 18
Crack the Numbers (Regrouping review—
tens to ones) 19
Digging Up Bones (Subtracting 2-digit
numbers with regrouping) 20
First, Next, Last (Subtracting 2-digit
numbers with regrouping) 21
All Tied Up (Subtracting 2-digit
numbers with regrouping) 22
Teenie Tiny Babies (Adding/subtracting
2-digit numbers with regrouping) 23
Day by Day (Adding/subtracting
2-digit numbers with regrouping) 24
Pizza Vote (Adding/subtracting 2-digit
numbers with regrouping) 25
Tool Time (Adding/subtracting 2-digit
Powerful Presidents (Adding 3-digit numbers
Sandwich Shop (Adding/subtracting 3-digit
numbers with regrouping—using money) 30
Easy as 1, 2, 3 (Adding 3-digit numbers with
Treasures Under the Sea (Adding/subtracting
3-digit numbers with regrouping) 36
Follow the Trees (Adding/subtracting
3-digit numbers with regrouping) 37
School Supplies (Adding/subtracting
3-digit numbers with regrouping) 38
Movie Madness (Adding/subtracting
3-digit numbers with regrouping) 39
Animal Facts (Adding/subtracting 3-digit
numbers with regrouping) 40
Very Special Helpers (Adding/subtracting
3-digit numbers with regrouping) 41
Vacation Time (Adding 3-digit numbers with
regrouping—using money) 42
Bull’s-eye (Adding/subtracting 3-digit
numbers with regrouping) 43
Grid Math (Adding/subtracting 3-digit
numbers with regrouping—using a grid) 44
Perfect Punt (Adding/subtracting 3-digit
numbers with regrouping) 45
Tic-Tac-Toe (Adding/subtracting 3-digit
numbers with regrouping) 46
Trang 52
.
5
6
7
Finish each number sentence with a number word.
five + two = three + six =
Trang 6Color the bows with an even number yellow.
Color the bows with an odd number purple.
1 5
10
4
9
5 7
3 5
1
1
3 0
2
3 4
1 2
5 3
0 2
Trang 78 10
8 10
8
4 1
1 14
2
16 15
16 12
5
5
9
8 6
Trang 8Write the numbers you see with a
Make your own number glasses.
sum of _ and difference of
sum of 5 anddifference of 1
sum of 14 anddifference of 2
sum of 12 anddifference of 2
sum of 5 anddifference of 3
sum of 13 anddifference of 5
sum of 17 anddifference of 7
sum of 18 anddifference of 4
sum of 15 anddifference of 9
sum of 18 anddifference of 2
sum of 16 anddifference of 6
Trang 9Counting on Good Manners
Adding 2-digit numbers without regrouping
Add Then use the code to write a letter in
each oval to find the “good manner” words
34 + 32
21 + 11
26 + 52
’
May I have some candy, please?
Thank you!
Trang 10Make matching sums.
Just the Same
Add Connect the flowers with the same sum
Adding 2-digit numbers without regrouping
52 + 36
23 + 22
43 + 26
18 + 70
11 + 34
62 + 35
+ 78
+ 78
+ 54
+ 54
51 + 18
14 + 11
55 + 42
13
+ 12
Trang 11For each sum that is an even number, write its letter below in order.
How much of the earth is covered by water?
—
For each sum that is an odd number, write its letter below in order
What is the biggest ocean?
Trang 1281
– 51
96 – 34
Color the bird with the smallest number in the ones place red.
Color the bird with the smallest number in the tens place blue.
Color each bird with the same number in the ones and tens place green.
59 – 26
65 – 42
43 – 22
37 – 15
92 – 51
84
– 23
78 – 64
Trang 13Subtract Using the difference in each rain drop, write the weather words
in order of their differences from least to greatest by the umbrella handle
Then color your favorite kind of “weather drop” blue
Subtracting 2-digit numbers
75 – 31
88 – 46
63
– 11
96 – 25
Trang 1486 – 43
99 – 14
89 – 22
95 – 63
88 – 56
78 – 11
77
– 34
98 – 55
78 – 24
Trang 15Color bowls with 1, 5, or 8 in the ones place yellow.
Color bowls with 0, 4, or 7 in the ones place pink.
Color bowls with 2, 6, or 9 in the ones place brown.
Triple the Fun
Add Write the sum on each bowl
Adding three addends
Trang 17Don’t Forget Your Keys
Add Then follow the clue to find the right key Write the sum in the key hole
Adding 2-digit numbers
with regrouping
Find the key with the greatest number in the tens place
Find the key with the greatest number in the ones place
Find the key with even numbers in the ones and tens places
Find the key with 0 in the ones place
Find the key with the same number in the ones and tens places
43
+ 6
64 + 8
36
+ 7
29 + 8
14
+ 7
58 + 4
53
+ 8
75 + 6
84
+ 8
67 + 9
Trang 1874 + 19
78 + 12
15 + 37
31 + 59
48
+ 44
52 + 39
29 + 57
73 + 19
14 + 67
63
+ 18
57 + 16
24 + 18
63 + 29
27 + 47
57
+ 28
76 + 16
72 + 18
76 + 18
17 + 24
32
+ 19
55 + 38
32 + 49
Trang 19m ile s
s
48 m ile s
13
m ile s
ile s
MOUNTAINS
BEACH
How Do We Get There?
Add the distance of each route
from the house to the beach
Trang 20Crack the Numbers
Look at the number on each chick Write the number of tens and ones on the egg Then trade one ten for ten ones
Trang 21Help Daisy find a delicious bone! Subtract
Circle the answer that goes with each bone
> is greater than and < is less than
Write two subtraction problems on another piece of paper One answer should match the bone.
56 – 8
94 – 5
87 – 8
53 – 7
45
– 9
81 – 5
83 – 6 68 – 9 57 – 9 23 – 9
70
– 9
75 – 7
23 – 9
47 – 8
Trang 22Name Subtracting 2-digit numbers
First, Next, Last
Subtract Then number the pictures in order from least to greatest
Trang 23Subtract Add to check.
Write your own subtraction problem
Add to check.
24
– 15
65 – 27
62
– 15
50 – 19
+
+
+
+
+
+
+
32 – 13
77 – 38
83 – 49
46 – 29
38 + 27 65
38
Trang 24Copyright
numbers with regrouping
Teenie Tiny Babies
Add or subtract
Write the letter that goes with each number
I am smaller than your
thumb when I’m born
I am even smaller
I am smaller than a bumblebee
Since we are so little, we
live right next to our mothers in a safe, warm
L.
40 – 17
H.
55 + 16
M.
31 + 29
N.
27 + 36
K.
88 – 19
R.
74 – 28
C.
96 – 48
S.
44 + 46
O.
62 – 48
A.
Trang 25Copyright
numbers with regrouping
Day by Day
Add or subtract Color each special date on the calendar
July
6 13 20 27
7 14 21 28
1 8 15 22 29
2 9 16 23 30
3 10 17 24 31
4 11 18 25
5 12 19 26
A Camp begins one week after the second Monday Color this date red.
B The baseball game is two weeks before the fourth Wednesday
Color this date green.
C The birthday party is two weeks after the second Saturday Color this
F The picnic is two weeks before the fifth Thursday Color this date yellow.
G What date is 14 days after the third Wednesday? Color this date pink.
H What date is 18 days before the fourth Friday? Color this date brown.
Trang 26Copyright
numbers with regrouping
Find the total number of students who voted.
mushr oom
pepper oni
chees e sausag
e veggie
onion
25
9 13 28
12 11
A How many students voted for
pepperoni and cheese in all?
B How many more students
voted for cheese than veggie?
D How many students voted
for mushroom and veggie
altogether?
F How many students voted for
sausage and pepperoni in all?
C How many more students voted for pepperoni than sausage?
E How many more students voted for mushroom than veggie?
G How many students voted for veggie, cheese, and mushroom
in all?
Pizza Vote
Use the circle graph to compare the
results of the pizza vote
Trang 2743 15
27 5
A Write the number found in the and
Write the number found in the and
Find the sum.
B Find the difference between the largest and smallest numbers in
numbers with regrouping
Tool Time
Find the sum of the numbers in each tool
On another piece of paper, find the sum of the tools altogether
Hint: You’ll be adding nine numbers.
+
–
–
–
–
+
+
+
+
34 27 5
Trang 28Add Color each even sum red to learn about George Washington Color each odd sum blue to learn about Abe Lincoln Hint: Look in the ones place.
423 + 173
A the “Father of the Country”
325 + 552
C sixteenth president
101 + 561
E born in 1732 in Virginia
805 + 163
G first president
609 + 290
I loved reading books
384 + 611
B born in 1809 in Kentucky
257 + 312
D 6 feet 4 inches tall
570 + 408
F studied geography
445 + 151
H leader in the Revolutionary War
314 + 183
J leader in the Civil War
Trang 29Regroup tens into hundreds Remember: 10 tens = 1 hundred Write the
number of hundreds and the number of remaining tens
Write the number
_ hundreds _ tens
_ hundreds _ tens
49 tens
_ hundreds _ tens
65 tens
_ hundreds _ tens
93 tens
_ hundreds _ tens
71 tens
_ hundreds _ tens
2
7
Trang 30On another piece of paper, write three more problems that have a zero in the sum.
Through the Tunnels
Add Then trace the mole’s path to the top The mole must travel through tunnels with a zero in the sum
406 + 295
609 + 295
415 + 387
384 + 276
644 + 188
605 + 237
763 + 178
467 + 289
278 + 693
477 + 289
227 + 276
176 + 424
Trang 31fruit salad $1.90veggies & dip $1.84chips $ 50fries $ 65cupcake $1.07brownie $1.22cookies $ 86
shake
turkey subveggies
& dipjuicecupcake
pbjcookiesmilk
Menu
Trang 32Add to find the perimeter of each shape.
Color each shape using the code below.
9 hundreds — orange 4 tens — red 3 ones — purple
6 hundreds — green 7 tens — yellow 8 ones — blue
+
+
280 38
Trang 33Regroup hundreds to tens Remember: 1 hundred = 10 tens.
_ tens
Trang 34The Sun’s Family
Draw a line to each matching difference to connect each planet to a fact about it
694 – 421
397 – 185
982 – 650
847 – 214
963 – 151
857 – 302
596 – 323
935 – 123
573 – 241
937 – 304
437 – 225
968 – 413
I am a bare, rocky ball similar to Earth’s moon
I used to be classified as a planet but now I’m a dwarf planet
I am called the Red Planet
Trang 35612 – 428
931 – 389
892 – 433
833 – 117
675 – 216
407 – 223
514 – 126
I am like a dirty snowball made of dust, ice, and gases
I am covered with craters
I am sizzling hot with
no water
I am a giant planet with a red spot
Complete each pattern Then tell someone the pattern for each set of numbers.
900, 800, 700, _, _, _, _, _, _
900, 700, 500, _, _
800, 600, 400, _
Trang 36Copyright
numbers with zero
190 – 124
720 – 517
502 – 289
904 – 435
490 – 256
500 – 247
700 – 391
300 – 134
Trang 37Copyright
numbers with regroupingTreasures Under the Sea
Add or subtract Use the chart to color the picture
244 – 191
249
– 198
555 + 345
941 – 104
625 – 438
483 – 296
271 + 149
902 – 638
433 – 380
299 + 121
Trang 38Copyright
numbers with regrouping
Follow the Trees
Add or subtract Then trace the bear’s path to its cave The bear follows trees with sums that have a 3 in the tens place
687 + 143
584 – 146 727 + 204
364 – 125
497 + 236
952 – 219
148
+ 132
486 + 250
657
– 594
604 – 266
845 – 486
470 + 289
Trang 39Copyright
numbers with regroupingSchool Supplies
Add or subtract Use the graph to help solve each problem
markersfoldersscissorsglue stickspencils
A Mrs Randolph’s
class used 523
pencils.
How many are left?
B Mr Kirk’s class used
156 scissors
How many are left?
C Mr Dean’s class took 248
folders Mr Jordan’s class
took 176 folders
How many did they
take altogether?
How many folders are left?
D Mrs Fenton’s class used 96
glue sticks Mrs McBride’s
class used 189 glue sticks
How many did they use
altogether?
How many glue sticks are left?
E Mrs Barry’s class needs 275
markers Mr Lopez’s class
needs 398 markers.
How many do they need
altogether?
How many markers are left?
Trang 40Copyright
numbers with regrouping
Movie Madness
Add or subtract to solve
A 168 people are in line to buy tickets 159 seats are available
in the theater How many people will not get a ticket to the movie?
B 427 people attended the rush
hour show 289 people attended
the 7:00 show How
many more people ordered a soda?
D 319 people bought a pretzel
299 people bought a box
of candy How
many pretzels and
candy were sold
altogether?
E There were 826 people at the movie theater on Friday On Saturday, there
were 697 people
How many more people were at the movie theater on Friday?
F 258 people ordered a hot
dog with mustard 273 people
ordered a hot dog
with ketchup How
many hot dogs
were ordered in all?