Bar Model Represent Decimal Addition and Subtraction

Write a number that is 0.5 greater than the model shown.

Mathematical Equivalence

ON

what number does the model represent?​ (a)  

• .8

• .08

Solve the equation

(Reminder: we are only subtracting decimals only to the hundredths place value)

• 1.56

• 0.87

• 0.50

• 0.89

Is this bar model addition or subtraction?

• addition

• subtraction

• addition
• subtraction 

Which of the following expressions matches the grid shown?

• 0.48 + 0.18 = 0.66

• 0.48 - 0.18 = 0.30

• 0.6 + 0.06 = 0.66

• 0.6 - 0.06 = 0.54

What equation matches this model?

• 0.7 - 0.44 = 1.14 

• 1.14 - 0.44 = 0.7

• 1.14 + 0.7 = 0.44

• 0.7 + 0.44 = 1.14

Q1. What is the result of 2 + 2?

• A) addition

• B) subtraction

The models below are shaded to represent two different decimal numbers. What is the sum of these shaded decimal numbers?

• 4.2

• 3.2

• 3.02

• 2.12

Is this bar model addition or subtraction?

• addition

• subtraction