MATH, 4TH TERM

First grade

Start

Math Fourth term

Math Forth term

INDEX

Competences

Weeks 4-6Subtraction

Week 2 Numbers to 999

Learning outcomes

Rubric

Week 8Length

Week 7Picture Graphs

Assessment

Reinforcement activities

Week 9Project

MATH RUbric

SUPERIOR

ALTO

BASICO

BAJO

The student applies strategies to solve word problems in a concrete and iconic way that involves the addition and subtraction of numbers up to 3 digits using the composition and decomposition of numbers. However, it is important to reinforce the development of solutions in a symbolic way.

The student struggles to formulate and apply strategies to solve word problems in a concrete way that involves subtraction of numbers up to 3 digits, using the composition and decomposition of numbers. It is important to reinforce the development of solutions in an iconic and symbolic way.

The student identifies and applies the uses of numbers and math operations (subtraction), when solving word problems in familiar, economic, or playful contexts.

The student applies strategies for solving word problems in concrete, iconic and symbolic way that involves the addition and subtraction of numbers up to 3 digits using the composition and decomposition of numbers.

The student formulates and applies strategies for solving word problems in a concrete, iconic and symbolic way which involves the subtraction of numbers up to 3 digits using the composition and decomposition of numbers.

MATH RUbric

BASICO

BAJO

SUPERIOR

ALTO

Use the positional features of the Decimal Number System (SND) to establish relationships between quantities and compare numbers (999)

The student compares, reads, writes, and orders numbers in the Decimal Number system to solve and propose word problems.

The student understands the difference between ordinal and cardinal numbers and uses concrete material to establish order among objects.

The student understands the difference between ordinal and cardinal numbers and uses concrete material to establish order among objects, but it is hard to name or differentiate bigger numbers.

The student struggles to understand and use ordinal numbers to indicate the position of an object in reference to a starting point.

MATH RUbric

BASICO

BAJO

SUPERIOR

ALTO

The student classifies and analyses data and represents them using counting tables and pictographs. The student also communicates the obtained results to answer simple questions.

The student analyses, compares information, and answers questions about data presented in a picture graph.

The student struggles to understand and gather information from counting tables and pictographs

The student orders, classifies, and answers questions about data presented in a picture graph.

The student understands and gives information based on data proposed in a picture graph.

Subtraction

Lenght

Picture graphs

Numbers

SUBTRACTION

Subtraction stories

Assessment

Subtraction with regrouping

Subtraction with Regrouping

You regroup when you change 1 ten for ten ones

Practice regrouping

Watch

Play

3 digit subtraction

Booklet

Subtraction with Regrouping

LET'S LEARN BY PLAYING! 1. Make groups of 3 2. Your teacher will give you a dice 3. Take out your ones, tens and your place value chart.

HOW TO PLAY 1. Every student starts with 5 "tens" in the Tens place. The idea is to lose all the tens by taking "ones" away. 2. To do so, each student will roll the dice, then he or she will "regroup" 1 ten, exchanging it for 10 ones and placing them in the "Ones place".

Regroup Tens and ones

Help your teacher regroup tens and ones. Drag the corresponding numbers

25=

15

2 5

6 13

73=

Explanation

7 3

3 11

64=

4 24

4 1

41=

6 4

Can you subtract from ?

43-8=?

Regroup the Tens in 43

43= 4 tens 3 ones = 3 tens 13 ones

43= 4 tens 3 ones = 3 tens 13 ones Subtract Ones 13 - 8= 5 Tens 3 - 0= 3

Practice

2 digit worksheet

Use your Place value chart and markers, now practice: 65 - 47 548 - 353 117 - 88 61 - 24 48 - 29 185 - 155

You can use virtual manipulatives

Subtraction Stories

Read again with numbers. What do you have to do? Plan how to solve it.

Read the story without any number. Try to understand the story.

Solve the story problem and verify your answer.

Key words: Take away left less than difference How much more? Fewer

Independent work

Practice together

Online practice at home

Use your place value chart, pencil and paper

Enrichment activities

Sara has 24 fish.Mary has 19 fish. How many fewer fish does Mary have than Sara?

2 Understand the problem

3 Solve the story

1 Read the problem without umbers

Sara has 24 fish.Mary has 19 fish. How many fewer fish does Mary have than Sara?What do you have to do? Plan how to solve it.

Sara has many fish and Mary has another quantity of fish. How many fewer fish does Mary have than Sara?

Pablo buys 65 stickers. Julian buys 17 fewer stickers than Pablo. How many stickers does Julian buy ?

Mariana has 50 gommy bears. She gives Tomas 18 gommy bears. How many gommy bears has Mariana left ?

Matín makes 89 cookies. Lucas makes 16 fewer cookies than Martín. How many cookies does Lucas make?

Emiliana gets 57 bows. Laura gets 15 bows. How many fewer bows does Laura get than Emiliana?

Jerónimo gets 175 marbles for his birthday. He gives 37 repeated marbles to his brother. How many marbles were not repeated?

NUMBERS FROM TO

Now, let´s work!

Let´s watch the video!

Let´s work with our manipulatives!

AT HOME

NUMBERS FROM 0 TO 999

Let's work and learn!

PVC GAME

Ordering numbers ( activity and game)

Taking notes

Let´s count!

Matific

Worksheet

Activity

Pircture graphs

Displaying data using picture graphs

making a picture graph

Introduction

Notebook notes

Understanding a picture

Math booklet

Activity

Step 2

A picture graph, or pictograph, is a graph used to display information that uses images or symbols to represent data.

Understanding a picture graph

Paso 3

Step 1

Read the picture graph together

Watch the video

Test yourself

Team work

Making a picture graph

How much did you learn?

Die Game

Collecting data

Manipulatives-bring your favorite toy

Grab your math booklet and read the following graphs,

Comparing two objects

Comparing more than two objects

Using a start line

Measuring Length

Boooklet

Comparing two objects

Comparing more than two objects

Comparing using a start line

Using a start line

Measuring Length

After watching the videoremember the three ways to measure with our body

AT THE MARKET

With the money you earn, you can buy the products you want.

You will receive a budget as a group. But you need to earn it! Play The Market in order to get your money!

Step 2

700

800

900

PRODUCT PRICES!

600

500

400

300

200

100

Step 2

700

800

900

PRODUCTS!

600

500

400

300

200

100

• Perform compositions and decompositions of two-digit numbers in terms of the number of “tens” and “ones” that make them up. • Find pairs of numbers that when added result in another given number. • Find the numbers corresponding to having “ten more” or “ten less” than a given quantity.

PICTURE GRAPHS• Builds and interpret pictorial representations and diagrams to represent relationships between quantities that occur in situations or phenomena. • Interprets and solves putting, removing, and completing problems, which involve the number of elements in a collection or the measurement of magnitudes such as length, weight, capacity, and duration. • Uses the characteristics of the decimal numbering system to create calculation and estimation strategies for addition and subtraction.

Now, it´s time to practice at home. We recommend this activity to order the numbers from 1 to 999.

How can I subtract 3 digit numbers?

Practice using your Place value chart and your markers.

The student identifies and applies the uses of numbers and math operations (subtraction), when solving word problems in familiar, economic, or playful contexts. The student uses the positional features of the Decimal Number System (SND) to establish relationships between quantities and compare numbers (999) The student classifies and analyses data and represents it using counting tables and pictographs. The student also communicates the obtained results to answer simple questions. Measures lengths, capacities, weight, mass, among others, using instruments and non-standardized units.

LENGHT Identifies attributes that can be measured in objects. • Measure lengths with different instruments and express the result in common standardized or non-standardized units. • Compares objects based on their length, mass, capacity and duration of events.

• Builds and interprets pictorial representations and diagrams to represent relationships between quantities that occur in situations or phenomena. • Interprets and solves problems that involve the number of elements in a collection or the measurement of magnitudes such as length, weight, capacity, and duration. • Uses the characteristics of the decimal numbering system to create calculation and estimation strategies for addition and subtraction.