Math Gr 2, Vol 3 Teacher Resources and Answer Key

1. 89 ¢ 2. 72 ¢ 3. 66 ¢ Think Tank: $3.70 Data Place: Graph the price of each item.

bers > 170 69 inches, Side B

the school’s name _____________________________ 4. Which was the coolest day? _____________________________________

p. 279 6

Puzzler:

the day today ______________________________

173 188 192 203 367 501

Puzzler uuuuuuuuuuuuu

mes.

p. 288 30 ¢ 30¢

8

Price List

School Supply Prices

your favorite color _____________________________

20

101

______________________ Color the picture. Use the key.

72

G

R

P

Answer Key (continued) 9 12 42 Key 47 Y

40 ¢ 60 ¢

70 ¢ 70 ¢

90 ¢ 80 ¢

10¢

Eraser

______________________

25¢

B

19

120

If the number is

Color the space

30 ¢ 20¢

12 15

16

P

Paper Clip

blue

10–19

15¢

Learning Session 29 Page 82: Day by Day 20 1. 8, 8 2. 10,10 3. 18, 18 Check that children have colored the appropriate spaces. A. 21; B. 9; C. 26; D. 8; E. 13; F. 17; G. 30; H. 7 p. 280 1. 200 2. 75 3. 19, 65, 90 60 73 G 36 99 12 97 84 116 41 55 58 P R O B Y G Y O O Y Side B 19 4 s

red

20–39

25¢

70 ¢ 40 ¢ 0 10¢ 5¢

Pencil

yellow

40–59

40 ¢ 30 ¢ 10 ¢

90 ¢ 50 ¢

green

60–79

30 ¢ Learning Session 31 Page 84: Dividing Into Groups 1. 2 2. 3 3. 2 4. 4 fish 5. 7 kids 6. 3 plums Page 88: What runs but never walks? A-125, E-206, W-634, T-519, C-922, N-390, D-411, 40 ¢ Kind of Item $4 $9 $7 $2 $6 $4 $2 $3 $3 R-817 water Learning Session 32 Page 92: Jumpstart 1. paper clip 2. eraser 3. pencil, glue stick Puzzler: the ring of fire Jumpstart 23 Number Place: odd—25, 33, 41, 47, 89; even—6, 52, 78, 80, 94 Fast Math: 17, 49, 27, 37, 36, 27 Think Tank: 50¢ Data Place: p. 289 1. $3.93 2. $1.79 3. $2.80 4. $1.63 5. $3.52 6. $4.80 Puzzler uuuuuuuuuuuuu Data Place Graph the data about favorite toys. Favorite Toys 23

20¢

orange

80–99

Tape

purple

100 or more

ace

25¢

Glue Stick

e grid to fill in the blanks.

0

44

5, 503, nd the ■ , cross _____ and then up _____ . nd the l , cross _____ and then up _____ . nd the , cross _____ and then up _____ . nd the  , cross _____ and then up _____ . w a ■ at (2, 4). 282 1 4 3 2 8 s ♥ ace

1. Which item costs a nickel? ______________________________ 2. Which item costs a dime? _______________________________ 3. Which 2 items have the same price? ___________________________

dividing into groups Jumpstart 19 Number Place: (Left to right) <, >, >; <, >, < Fast Math: 50, 30, 80; 50, 30, 80; 70, 20, 90 Think Tank: 189 Data Place: 1. (4, 1) 2. (2, 2) 3. (3, 4) 4. (1, 3) 5. Check children’s work. Puzzler: raisins left over 0 3 0 1 2 3 4 Â Side B 20

Learning Session 30 Page 83: Dividing Into Groups p. 281 1. 24 2. 32 3. 4 4. 5 2 1 3 8

________________________________________________________________

For each batch of cookies you have 20 raisins. Put the same number of raisins on each cookie. How many raisins are left over?

Side B

p. 282

1.

What do scientists call the part of the world that has the most volcanos?

graph about favorite ice-cream flavors to answer estions. Favorite Ice-Cream Flavors

3. 50 4. 81 r the box maze. j . 9, 69 4. 60¢ , ath through each once without lifting cil. u Chocolate Mint Chip Strawberry

p. 290 2 coins: 6 ¢ , 11 ¢ , 26 ¢ , 15 ¢ , 30 ¢ , 35 ¢ 3 coins: 16 ¢ , 31 ¢ , 36 ¢ , 40 ¢ Solve It: 55 ¢ , 50 ¢ Use the clues to solve the riddle! the _____ _____ _____ _____ of _____ _____ _____ _____ The eighth letter is e. The fifth letter is f. The fourth letter is g. The first letter is r. The third letter is n. The sixth letter is i. The seventh letter is r. The second letter is i. Action Figure Board Game Doll Stuffed Animal 1. Which toy got twice as many votes as a board game? __________________________ 2. Which two toys got a total of 13 votes? 1. stuffed animal 2. action figure and doll Puzzler: 8, 4, 6, 2 Jumpstart 24 Number Place: ( Top to bottom) 6¢, 14¢, 35¢, 40¢; 57¢, 89¢, 90¢, 98¢ Fast Math: 80, 30, 50; 60, 30, 30; 70, 20, 50 Think Tank: 54 Data Place: 1. 5 2. 6 3. 2 Puzzler: (Left to right) 40, 60, 33, 600, 680, 525 52 ______________________________________ Puzzler Each number in the tic-tac-toe grid is in a different shape. Do you see why stands for 7? Use the code to do the math. uuuuuuuuuuuuu + = ________________________ + = ________________________ – = ________________________ Favorite Toys Action Figure Doll Stuffed Animal Board Game 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 IIII IIII IIII IIII II I III Number of Votes

2

m

h

2.

raisins left over

Side A

0

e _________________________ first with a finger. Vanilla

3.

raisins left over

Key:

= 5 votes

Number of Votes

raisins left over Jumpstart 20 Number Place: 30, 35, 55, 70; 60, 62, 67, 70; 48, 84, 89, 94; 73, 105, 162, 200 Fast Math: 72, 93, 171, 95, 96, 77 Think Tank: $4.79 Data Place: 1. 5 2. 15 3. 10 4. 5 5. chocolate 6. 20 Puzzler: 2

twenty-two ? _______________________ many people like vanilla best? _______________________ t is the value of one

X

thirty-five

forty-seven wberry? _______________________ chip? _______________________

4.

eighty-one

6, 1; 3, 8; h was the most popular flavor? ___________________________ many people picked this flavor? _______________________

r u

nes = ____ tens ____ ones r c square uses the digits 1–9 once each. f every row , column , and or is 15. mbers are in place. rest of the magic square. what you know. nes = ____ tens ____ ones nes = ____ tens ____ ones

9 4

2

3

7

5

= ________________________

1

6

8

54

TANK

41

14

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