Concord Consortium
Calculator Numbers
Know thy calculator. Young mathematicians use their calculators to answer a set of questions. They consider how the number of digits the calculator displays affects the answers to calculations. They then find examples of computations...
Curated OER
Adding it Up!
These socks and towels each have three addends and are missing a sum; can your scholars figure it out? All addends are single-digit, however not all sums are. There are two examples done here, and once scholars have finished eight...
CK-12 Foundation
Addition and Multiplication Properties with Real Numbers: The Secret of Subtraction
An interactive boosts mathematicians' knowledge of subtracting integers using a horizontal number line by way of multiple-choice, true or false, and discussion questions.
Curated OER
Beginning to Add Decimals Mentally
In this addition worksheet, learners solve ten math problems in which they add a single digit number and a decimal number. Students solve these problems in their head and write the answers in the boxes. The answers are available on the...
Curated OER
And 1 More Makes...
If we add one more, how many will we have? Beginners to addition practice this skill using images and counting as they draw one more sock to each set and record the new total. There are three of these followed by four more similar...
Curated OER
Three-Digit Plus Two-Digit Addition (A)
In this addition worksheet, students add three-digit numbers plus two-digit numbers with regrouping. Students solve one hundred problems.
Curated OER
Three-Digit Pus Two-Digit Addition (B)
In this adding three-digit plus two-digit numbers worksheet, learners regroup to find the sums. Students solve one hundred problems.
Curated OER
Three-Digit Plus Two-Digit Addition (B)
In this adding vertical numbers worksheet, students find the sums for three-digit plus two-digit numbers with regrouping. Students add one hundred problems.
Curated OER
Addition of Three Numbers; Various Digits (B)
In this finding the sums of three numbers worksheet, learners add two-digit, three-digit, and four-digit numbers. Students solve 49 problems.
Curated OER
Addition Worksheet (Four Digits)
In this problem solving activity, students solve 48 addition math problems involving 4-digit numbers. Students record their answers in the boxes provided.
Curated OER
Percent Worksheet 15
In this percent worksheet, students calculate the percentages of two and three digit numbers. Students complete 18 problems where they calculate percentages.
Curated OER
Adding Greater Numbers
In this addition worksheet, 3rd graders solve 12 addition math problems dealing with 4-digit numbers and money. Students answer 3 addition word problems and 2 addition problems with multiple choice answers.
Curated OER
Adding Negative Numbers
In this integers worksheet, students solve 16 addition problems by adding two integers together. There is no answer...
Curated OER
Mentally Add 3 Digit Numbers
In this addition worksheet, students are shown how to add two 3 digit numbers in your head mentally. There are 18 problems for the students to try to work in their head.
Curated OER
Addition: 1 Digit with Regrouping
In this mathematical worksheet, students add one-digit numbers to one-digit numbers to solve eighty math problems. Students check their answers when completed.
Curated OER
Using Addition Strategies
In this using addition strategies instructional activity, students use counters, zero property, and doubles strategies to add one-digit numbers. Students add twenty problems.
Curated OER
Addition Practice #3
In this math worksheet, students solve thirty addition problems. In each problem, students add two different one-digit numbers.
Curated OER
Addition Practice #4
For this math worksheet, students solve sixteen addition problems. In each problem, students add two different one-digit numbers.
Curated OER
The Part-Adder 2
Third graders use mental-math strategies to solve two-digit plus two-digit addition problems. They observe and discuss online demonstrations, solve word problems as a class, and independently solve problems and describe their solutions...
Curated OER
Tic Tac Toe Math Addition 4
In this tic-tac-toe math game learning exercise, students practice their two-digit addition skills as they play two rounds of the math game with a partner.
Curated OER
One-Digit Addition and Subtraction - No Regrouping (S)
In this addition and subtraction mixed operations activity, students solve 45 problems that require them to add and subtract using single digit numbers. Students also solve 2 story problems.
Curated OER
Addition with Carrying
For this addition with regrouping worksheet, students add three digit numbers and one digit numbers together with regrouping. Students complete 30 problems.
Curated OER
Two Plus One Digit Addition
In this addition practice worksheet, students practice their computation skills as they solve 40 problems that require them to add 2-digit numbers to 1-digit numbers.
Curated OER
One-Digit Addition and Subtraction (M)
In this addition and subtraction mixed operations activity, students solve 49 problems that require them to add and subtract using single digit numbers.
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