reteach algebra • greater than1egan.weebly.com/.../4/2/3/6/423649/chapter_7_reteach.pdf · 2018....
TRANSCRIPT
© Houghton Mifflin Harcourt Publishing Company
Name
Reteach R56 Grade 1
Lesson 7.1Reteach
Algebra • Greater Than
You can compare numbers to find which is greater.
48 — is greater than 24 — .
48 — > 24 —
65 — is greater than 62 — .
65 — > 62 —
Draw lines to match. Write the numbers to compare.
1.
— is greater than — .
— > —
2.
— is greater than — .
— > —
43
55
51
34
65
62
48
24
Name
© Houghton Mifflin Harcourt Publishing Company
Grade 1R57Reteach
Lesson 7.2Reteach
Algebra • Less Than
You can compare numbers to find which is less.
23 — is less than 26 — .
23 — < 26 —
43 — is less than 65 — .
43 — < 65 —
Draw lines to match. Write the numbers to compare.
1.
— is less than — .
— < —
2.
— is less than — .
— < —
23
26
65
43
37
31
74
44
© Houghton Mifflin Harcourt Publishing Company
Name
Grade 1R58Reteach
Lesson 7.3Reteach
Algebra • Use Symbols to Compare
You can use symbols to compare numbers.
Write >, <, or =. Complete the sentence.
1.
51 C 57
51 is less than ——— 57.
2.
29 C 29 29 29.
3.
35 C 33 35 33.
4.
48 C 55 48 55.
This symbol means
is equal to.
This symbol means
is less than.
This symbol means
is greater than.
15 C 18 18 C
18 23 C 18< = >
<
5 7 8 10 11
17 18 20 21 23
5 7 8 10 11
Name
© Houghton Mifflin Harcourt Publishing Company
Grade 1R59Reteach
Lesson 7.4Reteach
Problem Solving • Compare NumbersAnthony has the number cards shown. He gives away the cards with numbers less than 6 and greater than 9. Which cards does Anthony have now?
Unlock the Problem
What do I need to fi nd?
the number cards ————
that Anthony has now
What information do I need to use?
number cards < 6 —
and > 9 — .
Show how to solve the problem.
Anthony has number cards 7 — and 8 — .
Make a model to solve.
1. Emily has the number cards shown.She gives away the cards less than 19 and greater than 22. Which cards does she have now?
Emily has — and — .
THINKCross out the numbersAnthony gives away.
35
24 34 44
22
© Houghton Mifflin Harcourt Publishing Company
Name
Grade 1R60Reteach
Lesson 7.5Reteach
10 Less, 10 More
24 is 10 less 44 is 10 more than 34. than 34.
Write the numbers that are 10 less and 10 more.
1.
2.