Addition
What's the fact family?
7 + 8 = ?
7 + 8 = 15
8 + 7 = 15
15 - 8 = 7
15 - 7 = 8
What is the fact family?
12 – 9 = ?
12 - 9 = 3
12 - 3 = 9
3 + 9 = 12
9 + 3 = 12
Which sentence is true?
A pencil is lighter than 1 kilogram.
A pencil heavier than 1 kilogram.
A pencil is heavier than 1 kilogram.
Jessy and Glenn weighed a few apples.
Jessy said the mass is 30 grams.
Glenn said the mass is 300 grams.
Which is the correct measurement?
300 grams
What is the value of the digit 2 in the number
258?
200
Use mental math.
36 + 20 = ?
56
Use mental math.
764 – 7 = ?
757
Which sentence is true?
A chair is lighter than 1 kilogram.
A chair is heavier than 1 kilogram.
A chair is heavier than 1 kilogram.
Would the mass of a pencil be 5 grams or 500 grams?
5 grams
Put 354, 453, 345 in order from least to greatest.
345, 354, 453
Use mental math
746 + 9 = ?
755
What's the missing digit?
4 7
- __ 8
_________
2 9
1
One side of a scale has a bag of flour and 3 kilograms.
The other side has 4 kilograms.
The scale is balanced.
What is the mass of the bag of flour?
1 kilogram
The book weighs 360 grams.
The mug weighs 290 grams.
The box of cereal weights 300 grams.
Which is the lightest?
The mug
Which bar model would you use to solve this problem?
There are 45 boys and 26 girls at a show.
How many children are at the show?
1. Part Part Whole
2. Comparison
Part Part Whole
Use mental math.
35 + 19 = ?
54
Use mental math.
433 – 80 = ?
353
Eve can lift 3 kilograms.
Jodi can lift 6 kilograms more than Eve.
How many kilograms can Jodi lift?
9 kilograms
Box A has a mass of 250 grams.
It is 100 grams heavier than Box B.
What is the mass of Box B?
50 grams
Is the height of the classroom door more or less than one meter?
More
Use mental math.
242 + 110 = ?
352
Use mental math.
428 – 60 = ?
368
A farmer has 25 kilograms of vegetables.
He sells 15 kilograms of vegetables.
How many kilograms of vegetables does he have left?
10 kilograms
Felicia had 445 grams of dried fruit.
She ate 128 grams of the dried fruit.
How many grams are left?
317 grams
Bonnie's pencil is 4 centimeters shorter than Rachel's pencil.
Rachel's pencil is 12 centimeters.
How long is Bonnie's pencil?
8 centimeters