Problem 15 · Firefly JarsPrint one blank worksheet now, download its PDF, or prepare a family or classroom packet.
MathJewels.com
Name
Date

Firefly Jars

Complete to collectSeed PearlLevel 1 · 2 Glints

Each small firefly picture counts as 1 firefly.

  1. Circle the jar with 5 fireflies.

  2. Jar D has 3 fireflies. Draw more in the big Jar D. Stop when it has 5. Write how many more you drew.

A large Jar D with 3 fireflies and open space to draw more.

More drawn:

At a glance

About this problem

These tags show what the problem is about and the math you’ll use. Choose one to find similar problems.

Skills

Grade

Math area

Topics

Is this a good fit?

Before you choose this problem

A plain-language look at readiness, thinking, time, and the expected response.

Math readiness

Designed for Kindergarten

Uses Late Kindergarten math.

Thinking

Routine challenge

A direct application of a familiar method.

Time & response

About 1–3 minutes

Light amount of written work · Construction response.

How to support: Let the child count and draw directly on the page; no strategy hint is needed.

Keep exploring

Keep exploring

Technical reference

Rating, skills & curriculum

Designed for Kindergarten · Uses Late Kindergarten math · About 1–3 minutes

Kindergarten · Number and quantity · Operations and computation · Counting, cardinality, and numerals · Place value and numeration · Operation foundations

MJ K.7 · C1 · W1

Precise MJD coordinates, factor scores, skill weights, calibration evidence, and curriculum crosswalks. This reference is available to everyone and is intentionally last.

Content level

MJ K.7

Grades K–2

Kindergarten progression · point 7

Likely range
MJ K.4–K.7
Confidence
91%

Challenge

C1 · Routine

A direct application of a familiar method.

  • Method selection0
  • Reasoning depth1
  • Novelty0
  • Constraint management1
  • Proof or justification0

Workload

W1 · Light

A short response with only a few steps.

Active time
1–3 minutes · typically 2
Response
Construction
Known-method steps
5
  • Mechanical execution1
  • Written output1
  • Representation production1
  • Bookkeeping0

Learning focus

Skills this problem practices

What a successful response demonstrates, with each skill’s share of the content rating.

  • Count objects with one number word per object

    The learner can count objects with one number word per object. This capability is distinct from mere exposure to or isolated use of stable order principle.

    • Independent mastery
    • 14% focus
    • MJ K.2 milestone
  • Use the last count word as the total

    The learner can use the last count word as the total. This capability is distinct from mere exposure to or isolated use of one-to-one counting.

    • Independent mastery
    • 14% focus
    • MJ K.3 milestone
  • Count up to 20 arranged objects and up to 10 scattered objects

    The learner can count up to 20 arranged objects and up to 10 scattered objects. This capability is distinct from mere exposure to or isolated use of one-to-one counting.

    • Independent mastery
    • 14% focus
    • MJ K.5 milestone
  • Compare groups as greater, less, or equal

    The learner can compare groups as greater, less, or equal. This capability is distinct from mere exposure to or isolated use of count or match objects.

    • Independent mastery
    • 14% focus
    • MJ K.5 milestone
  • Compose and decompose within 5

    The learner can compose and decompose within 5. The capability is credited only when the task makes that demand necessary for success.

    • Independent mastery
    • 45% focus
    • MJ K.7 milestone

External alignment

Curriculum and standards crosswalks

Approved evidence-backed locations that support discovery. They do not define the MathJewels rating.

Bridges in Mathematicsthird-edition · 45 locations
Modules22 locations · Representative: Module 1: Sorting Shoes
Number Corner workouts23 locations · Representative: September: Calendar Collector
Common Core State Standards for Mathematics2010 · 5 locations
Standards3 locations · Representative: Decompose numbers less than or equal to 10 into pairs in more than one way, e.g., by using objects or drawings, and record each decomposition by a drawing or equation (e.g., 5 = 2 + 3 and 5 = 4 + 1).
Standard components2 locations · Representative: When counting objects, say the number names in the standard order, pairing each object with one and only one number name and each number name with one and only one object.