Vocabulary
What do we call the answer to an addition problem?
sum
What is the sum of 19 and 39?
58
87 + 11 = ___
98
56 - 34 = ___
22
1) There are no muscles in your fingers.
2) Mosquitoes are the deadilest animals in the world.
3) Watermelon grow on trees.
Which is the lie?
3
Is "take away" a key word for addition or subtraction?
subtraction
Mrs. Pope creates 33 math problems. Mrs. C creates 17 math problems. How many math problems do they create in all?
50 math problems
33 + 23 = ___
56
84 - 23 = ___
61
1) Water covers 70% of the Earth.
2) If you're thirsty, you're already dehydrated.
3) Hot water will turn into ice faster than cold water.
Which is the lie?
2
Is "less than" a key word for addition or subtraction?
subtraction
What is the difference between 57 and 32?
25
143 + 237 = ___
380
228 - 219 = ___
9
1) You can stay awake for 3 weeks straight.
2) a snail has over 1000 teeth
3) Nigeria is Africa's most populous country.
Which is the lie?
1
Is "In total" a key word for addition or subtraction?
addition
Ms. Stasia has 34 plants inside her house. She puts 16 of the plants outside. How many plants are left inside the house?
18 plants
398 + 526 = ___
924
674 - 536 = ___
138
1) You can't smell anything while you sleep.
2 Your fingernails grow faster when you're cold.
3) Your heart is the largest internal organ in your body.
3
Is "altogether" a key word for addition or subtraction?
addition
Wyatt and Colin have 58 toys altogether. Trey has 29 toys. How many more toys do Wyatt and Colin have?
29 toys
676 + 425 = ___
1,101
867 - 628 = ___
239
1) People can sneeze in their sleep.
2) A single strandd of spaghetti is called a "Spaghetto"
3) Lizards communicate by doing push ups.
Which is the lie?
1