Games
Games

NodnPlay Grade 5

Robot Charger Lab

MISSION 1 OF 5

Bot needs 1.75 volts! Current power is 1.20 volts. Drag the charger to add 0.55 volts!

1.20 + 0.55 = ?
1.20 V

Drag or tap the line. Keyboard: use the left and right arrow keys.

Set the final voltage, then inject power.

About Robot Charger Lab

A free Grade 5 math game for practicing decimal addition & subtraction. No account or download is needed.

Learning area: Fractions & decimals · Decimal Addition & Subtraction.

Difficulty: 2 · Practice within Grade 5. Apply a skill with more choices, larger numbers or extra steps.

Next in this learning areaChef Poro's Cake Bakery2 · Practice

What to do

Read the robot’s current power and the decimal change it needs. Drag the charger knob, or tap the number line, to choose the final voltage. Inject power when the gauge matches your decimal sum or difference.

Choose an activity that fits your learner. Grade labels are a guide; adults can help with the instructions.

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