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Automatic translation, not reviewed, of the Hebrew lesson your child follows at school.

הִגַעְתֶם לַתַחֲנָה הָאַחֲרוֹנָה! כָּאן הַכֹּל מְעוּרְבָּב: גוֹרְמִים חֲסֵרִים, בְּעָיוֹת בִּשְׁנֵי שְׁלַבִּים, וְהַזוּגוֹת הַמְפוּרְסָמִים שֶׁמַצְלִיחִים לְבַלְבֵּל אֶת כּוּלָם.

לִפְנֵי מִבְחָן אֲמִיתִי שָׁוֶה לַחֲזוֹר דַוְקָא לַזוּגוֹת הַקָשִׁים: 7×87 \times 8, 6×96 \times 9, 9×99 \times 9 — וְהַשְׁאָר יִסְתַדֵר.

Exercises

אַתְגָרִים

Exercise 1

אֵיזֶה מִסְפָּר חָסֵר? 7×□=707 \times \square = 70

Show the answer and the solution

Answer: 10

Worked solution:

7×10=707 \times 10 = 70
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Exercise 2

אֵיזֶה מִסְפָּר חָסֵר? 3×□=123 \times \square = 12

Show the answer and the solution

Answer: 4

Worked solution:

3×4=123 \times 4 = 12
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Exercise 3

אֵיזֶה מִסְפָּר חָסֵר? 5×□=155 \times \square = 15

Show the answer and the solution

Answer: 3

Worked solution:

5×3=155 \times 3 = 15
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Exercise 4

אֵיזֶה מִסְפָּר חָסֵר? 3×□=153 \times \square = 15

Show the answer and the solution

Answer: 5

Worked solution:

3×5=153 \times 5 = 15
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Exercise 5

הַתְאִימוּ כָּל תַרְגִיל לַתַרְגִיל אַחֵר עִם אוֹתָה תוֹצָאָה

  • 6×46 \times 4
  • 9×29 \times 2
  • 10×310 \times 3
  • 4×44 \times 4
  • 6×36 \times 3
  • 6×56 \times 5
  • 8×28 \times 2
  • 8×38 \times 3
Show the answer and the solution

Answer: 6×46 \times 4 — 8×38 \times 3 · 9×29 \times 2 — 6×36 \times 3 · 10×310 \times 3 — 6×56 \times 5 · 4×44 \times 4 — 8×28 \times 2

Worked solution:

24, 18, 30, 16 — תוֹצָאָה אַחַת יְכוֹלָה לָבוֹא מִכַּמָה לוּחוֹת.

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Exercise 6

קָנוּ 3 חֲבִילוֹת שֶׁל 8 מַדְבֵּקוֹת, וְעוֹד 5 מַדְבֵּקוֹת בּוֹדְדוֹת. כַּמָה מַדְבֵּקוֹת בְּסַךְ הַכּוֹל?

Show the answer and the solution

Answer: 29

Worked solution:

3×8=243 \times 8 = 24

קוֹדֶם הַכֶּפֶל

24+5=2924 + 5 = 29
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Exercise 7

בַּגַן נָטְעוּ 5 שׁוּרוֹת שֶׁל 7 פְּרָחִים, וְ-2 פְּרָחִים נָבְלוּ. כַּמָה פְּרָחִים נִשְׁאֲרוּ?

Show the answer and the solution

Answer: 33

Worked solution:

5×7=355 \times 7 = 35
35−2=3335 - 2 = 33
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Exercise 8

לְאֵיזֶה תַרְגִיל הַתוֹצָאָה 42?

  1. 6×76 \times 7
  2. 6×86 \times 8
  3. 7×57 \times 5
  4. 5×95 \times 9
Show the answer and the solution

Answer: A 6×76 \times 7

Worked solution:

6×7=426 \times 7 = 42. הַשְׁאָר: 48, 45, 35.

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Exercise 9

לְאֵיזֶה תַרְגִיל הַתוֹצָאָה 56?

  1. 7×77 \times 7
  2. 8×88 \times 8
  3. 6×96 \times 9
  4. 7×87 \times 8
Show the answer and the solution

Answer: D 7×87 \times 8

Worked solution:

7×8=567 \times 8 = 56 — הַזוּג הַמְפוּרְסָם. הַשְׁאָר: 54, 49, 64.

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Exercise 10

בְּלִי לְחַשֵׁב עַד הַסוֹף — הַאִם הַתוֹצָאָה זוּגִית אוֹ אִי-זוּגִית?

  • זוּגִית
  • אִי-זוּגִית
  • 3×53 \times 5
  • 4×74 \times 7
  • 6×96 \times 9
  • 7×77 \times 7
  • 8×58 \times 5
  • 9×39 \times 3
Show the answer and the solution

Answer: 4×74 \times 7 — זוּגִית · 3×53 \times 5 — אִי-זוּגִית · 6×96 \times 9 — זוּגִית · 7×77 \times 7 — אִי-זוּגִית · 8×58 \times 5 — זוּגִית · 9×39 \times 3 — אִי-זוּגִית

Worked solution:

מַסְפִּיק גוֹרֵם זוּגִי אֶחָד — וְהַתוֹצָאָה זוּגִית. שְׁנֵי אִי-זוּגִיִים — אִי-זוּגִית.

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הַגְמָר

Exercise 11

הַשְׁלִימוּ אֶת הַשׁוּרָה הַקָשֶׁה שֶׁל הַלוּחַ

7×67 \times 6 = ____ , 7×77 \times 7 = ____ , 7×87 \times 8 = ____

Show the answer and the solution

Answer: 7×67 \times 6 = 42 , 7×77 \times 7 = 49 , 7×87 \times 8 = 56

Worked solution:

שְׁלוֹשֶׁת הַקָשִׁים שֶׁל לוּחַ הַ-7 — בָּרֶצֶף אֶחָד.

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Exercise 12

בִּדְקוּ אֶת הַתַלְמִיד — שׁוּרָה אַחַת שְׁגוּיָה

8×4=328 \times 4 = 32
9×6=549 \times 6 = 54
7×8=547 \times 8 = 54
Show the answer and the solution

Answer: 7×8=547 \times 8 = 54 → 7×8=567 \times 8 = 56

Worked solution:

54 שַׁייָךְ ל-9×69 \times 6 — לֹא ל-7×87 \times 8.

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Exercise 13

כָּל מִסְפָּר בַּלוּחַ הַ-8 נִמְצָא גַם בַּלוּחַ הַ-4

Show the answer and the solution

Answer: True

Worked solution:

8=2×48 = 2 \times 4

כָּל קְפִיצָה שֶׁל 8 הִיא שְׁתֵי קְפִיצוֹת שֶׁל 4 — אָז כָּל תַחֲנָה שֶׁל הַ-8 הִיא גַם תַחֲנָה שֶׁל הַ-4.

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Exercise 14

כָּל מִסְפָּר בַּלוּחַ הַ-4 נִמְצָא גַם בַּלוּחַ הַ-8

Show the answer and the solution

Answer: False

Worked solution:

12=4×312 = 4 \times 3

12 לֹא בַּלוּחַ הַ-8

הַהֵפֶךְ לֹא נָכוֹן: 12 בַּלוּחַ הַ-4, אֲבָל קְפִיצוֹת שֶׁל 8 מְדַלְגוֹת מֵעָלָיו.

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Exercise 15

חִשְׁבוּ: 2×62 \times 6

Show the answer and the solution

Answer: 12

Worked solution:

2×6=122 \times 6 = 12
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Exercise 16

חִשְׁבוּ: 10×910 \times 9

Show the answer and the solution

Answer: 90

Worked solution:

10×9=9010 \times 9 = 90
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Exercise 17

חִשְׁבוּ: 8×78 \times 7

Show the answer and the solution

Answer: 56

Worked solution:

8×7=568 \times 7 = 56
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Exercise 18

חִשְׁבוּ: 4×64 \times 6

Show the answer and the solution

Answer: 24

Worked solution:

4×6=244 \times 6 = 24
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Exercise 19

סַדְרוּ מֵהַקָטָן לַגָדוֹל — בְּלִי מַחְשְׁבוֹן!

  • 5×85 \times 8
  • 6×66 \times 6
  • 7×67 \times 6
  • 7×87 \times 8
  • 8×68 \times 6
Show the answer and the solution

Answer: 6×66 \times 6 · 5×85 \times 8 · 7×67 \times 6 · 8×68 \times 6 · 7×87 \times 8

Worked solution:

36, 40, 42, 48, 56.

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