Students will solve word problems that require adding three whole numbers whose sum is 20 or less. Students practice choosing the most efficient strategy, such as finding a combination that makes 10 first or pairing doubles, to add three addends.
Real questions from this skill, graded here. No account, and nothing is saved.
Solve Word Problems Adding Three Numbers
Grade 1 · Addition and Subtraction Word Problems · question 1 of 3
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12 rungs. A star at the top.
Ben puts 4 buttons, 2 buttons and 1 button in his pockets. How many buttons?
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Three addends are three numbers you add.
A friendly pair makes ten first.
4 red, 3 blue and 6 green counters. 4 and 6 make 10, and 3 more is 13.
10 is easy to add on to, so make 10 first.
You can add numbers in any order and the total stays the same.
So 4 + 3 + 6 and 4 + 6 + 3 are both 13.
Find 2 that make 10. Then add the last number.
Adding only 2 of the numbers: 4 + 3 = 7.
There are 3 numbers. Add all 3: 4 + 6 + 3 = 13.
Ana has 5 shells, 9 shells and 5 shells. How many shells? — 19. 5 + 5 = 10, and 9 more is 19.
Maya picks 6 apples, then 4 more, then 3 more. How many apples does she have in all?
We can write this as six plus four plus three.
When we add three numbers, look for two that make ten first. That makes adding easier!
Six and four make ten. Let's pair them up.
Six plus four equals ten.
Now we have ten and three left to add.
What is ten plus three?
Ten plus three is thirteen.
Six plus four plus three is thirteen. Maya has thirteen apples!
While they climb, your page writes one true line to ask about tonight, and a short note each Sunday.
A chessboard has 64 squares — share them out between the 8 rows and each row holds exactly 8.
An example student.
Maya earned 2 stars this week — Interpret multiplication as equal groups, which took 6 answers over 3 days before its star landed 3 days ago and Multiply by 6, 7, 8 and 9. Next up: Divide within 100.
An example week.
14 days of every skill, practice packets, Fluency sheets and up to four students. No card.